Intermediate 1 Computing studies Course Slides

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Intermediate 1 Computing studies Course Slides

  1. 1. Intermediate 1 Computing Studies
  2. 2. Unit List 1. Computer Applications 2. Multimedia Applications 3. Computers & The Internet 4. Exam Preparation 5. Coursework Preparation
  3. 3. Intermediate 1 Computing Studies • 3 Units Computer Applications Multimedia Applications Computers and the Internet March 2009 Nairn Academy Intermediate 1 3
  4. 4. Intermediate 1 Computing Studies • Computer Applications: - Computer Software - Word Processing - Databases - Spreadsheets - Bit mapped (PAINT) Graphics - Vector (Draw) Graphics March 2009 Nairn Academy Intermediate 1 4
  5. 5. Intermediate 1 Computing Studies • Multimedia Applications: - Hardware Factors - Features of Multimedia Software:  Presentation Software  DTP Software  Multimedia Authoring Software March 2009 Nairn Academy Intermediate 1 5
  6. 6. Intermediate 1 Computing Studies • Computers and the Internet - Computer Hardware - Computer Software - The Internet - Web Authoring - Software Development process creating a simple website. March 2009 Nairn Academy Intermediate 1 6
  7. 7. Intermediate 1 Computing Studies • You will be required to: - Sit 1 Theory NAB per unit - Submit practical work for evidence - Sit an End of Unit test x3 - Coursework - Exam March 2009 Nairn Academy Intermediate 1 7
  8. 8. Computer Applications • What is Computer Software: - The programs that can run on a computer. 2 types: i) Applications Software ii) System Software March 2009 Nairn Academy Intermediate 1 8
  9. 9. Computer Applications • Systems Software = Operating System Used to receive signals from peripherals Send correct signals to peripherals  Store documents on Disk e.g. Windows XP, Vista, MacOS X March 2009 Nairn Academy Intermediate 1 9
  10. 10. Computer Applications • Applications Software • Designed to perform specific tasks:  Write letters (Word Processing)  Perform Calculations (Spreadsheets)  Store and Organise Information (Database)  Draw Pictures (Vector ‘Drawing’ )  Play Games March 2009 Nairn Academy Intermediate 1 10
  11. 11. Computer Applications Exercise 1 from Notes p.6 - 7 March 2009 Nairn Academy Intermediate 1 11
  12. 12. Computer Applications • Computer Hardware • Variety of: 1. Input 2. Output 3. Backing Storage Devices March 2009 Nairn Academy Intermediate 1 12
  13. 13. Computer Applications • Computer Harware: INPUT DEVICES 1. Mouse 2. Keyboard 3. Touchpad 4. Graphics Tablet 5. Scanner 6. Digital Camera READ P.8 - 9 of LTS Notes March 2009 Nairn Academy Intermediate 1 13
  14. 14. Computer Applications  Computer Hardware: OUTPUT DEVICES 1. Laser Printer & Inkjet Printer 2. ( TFT & CRT) March 2009 Nairn Academy Intermediate 1 14
  15. 15. Computer Applications • Computer Hardware: BACKING STORAGE 1. Floppy Disk 2. Hard Disk 3. CD ROM / CD-R / CD-RW / DVD 4. USB Flash Drive March 2009 Nairn Academy Intermediate 1 15
  16. 16. Homework March 2009 Nairn Academy Intermediate 1 16 •Computer Applications •HOMEWORK 1 •(Use slides and LTS notes to hep you answer the questions)
  17. 17. Computer Applications IN PAIRS: Create a Mindmap for all 3 types of Computer Hardware March 2009 Nairn Academy Intermediate 1 17 OUTPUT DEVICE CRT Monitor Inkjet Printer
  18. 18. Computer Applications • How do computers work? • Computers work on electricity. • Electricity in a computer can either be ON or OFF. • ON has the value of 1 • OFF has the value of 0 • All information used by a computer must be stored as a pattern of 1’s and 0’s March 2009 Nairn Academy Intermediate 1 18
  19. 19. Computer Applications • How do computers work? Each 1 or 0 is called a Binary Digit or BIT Bit – 1 or 0 Byte = 8 bits Kilobyte (Kb) = 1024 bytes Megabyte (Mb) = 1024 Kilobytes Gigabyte (Gb) = 1024 Megabytes Terabyte (Tb) = 1024 Gigabytes March 2009 Nairn Academy Intermediate 1 19
  20. 20. Computer Applications • How do computers work? • OPERATING SYSTEM:  Controls and monitors any devices that are attached to the computer system. E.G. – If you log on to the network in school and enter your user ID and password then this is controlled by the Operating System. March 2009 Nairn Academy Intermediate 1 20
  21. 21. Computer Applications • How do computers work? PROCESSOR  The ‘Brain’ of the computer  Usually measured in Megahertz (MHz) or Gigahertz (GHz)  Deals with all the computer instructions. March 2009 Nairn Academy Intermediate 1 21
  22. 22. Computer Applications • How do computers work? MEMORY 2 Types – RAM & ROM RAM – Random Access Memory (Read From and Write To) ROM – Read Only Memory (cannot write to this) March 2009 Nairn Academy Intermediate 1 22
  23. 23. Computer Applications • How do computers work? RAM  Used to store programs and data that is loaded from Backing Storage or received from an Input Device.  RAM clears when the power is switched off.  This is why we used Backing Storage. March 2009 Nairn Academy Intermediate 1 23
  24. 24. Computer Applications • How do computers work? ROM  The computer cannot add data to ROM.  The computer can only read the data.  Certain important programs are stored here.  The programs are built into the ROM chip when it is made. March 2009 Nairn Academy Intermediate 1 24
  25. 25. Computer Applications • MEMORY Vs BACKING STORAGE  Memory (RAM): used to store programs and data when the computer is switched on.  Backing Storage: is where all the programs and data files are stored when the computer is not using them and when the computer is switched off. March 2009 Nairn Academy Intermediate 1 25
  26. 26. Computer Applications • How do computers work? March 2009 Nairn Academy Intermediate 1 26 MAIN MEMORY (RAM & ROM) BACKING STORAGE DEVICES Floppy Disk Drive Hard Disk Drive USB Flash Drive CD-ROM/ DVD-ROM Drive INPUT DEVICES Mouse, Keyboard, Graphics Tablet, Touchpad, Scanner, Digital Camera OUTPUT DEVICES Printer – Inkjet & Laser Monitor (VDU) – TFT or CRT PROCESSOR
  27. 27. Computer Applications Exercise 2 from Notes p.15 - 16 March 2009 Nairn Academy Intermediate 1 27
  28. 28. Homework March 2009 Nairn Academy Intermediate 1 28 •Computer Applications •HOMEWORK 2 •(Use slides and LTS notes to hep you answer the questions)
  29. 29. Computer Applications • Getting Help:  Online Help: an information screen that is available when you are using an application program (MS Word etc)  Online Tutorial: A set of step by step lessons stored on the computer that teaches you the features of the application package. March 2009 Nairn Academy Intermediate 1 29
  30. 30. Create a Glossary of Terms using the following words: Software Hardware Application Software Systems Software / Operating System Input Device Output Device Backing Storage Memory (RAM & ROM) Processor Online Help Online Tutorial March 2009 Nairn Academy Intermediate 1 30 USE P.1 – P.17 OF LTS NOTES TO HELP AS WELL AS YOUR COPY OF THE POWERPOINT SLIDES.
  31. 31. Computer Applications • WORD PROCESSING SOFTWARE With WP software you can: • Edit Text (Insert, Amend, Delete) • Format Text (Font, Size, Style, Colour, etc) • Format Pages (Header/Footer, Tabs, Margins, etc) • Add Graphics (Clip Art, Photo, etc) • Wrap text to added object • Cut, Copy, and Paste • Search and Replace (Find & Change) • Spell Check March 2009 Nairn Academy Intermediate 1 31
  32. 32. Workbook • Exercise 3 and 4
  33. 33. Workbook • Exercise 5 and 6 + review terms
  34. 34. Workbook • Exercise 7 and 8 + review terms
  35. 35. Computer Applications • Word Processing: ADVANTAGES & DISADVANTAGES • Spell Checker ---- Limitations • Enter Text • Delete Text • Undo • Change Font • Change Size • Change Style • Clip Art March 2009 Nairn Academy Intermediate 1 35
  36. 36. Computer Applications • Word Processing: Home and Work uses • HOME: Letters, Computing Homework, etc • WORK: Letters, Business Contracts, etc • Question: List some advantages and disadvantages of computerised Spreadsheets. March 2009 Nairn Academy Intermediate 1 36
  37. 37. Computer Applications • ALTERNATIVES Handwriting Recognition Optical Character Recognition Voice Recognition Touch Sensitive Screen READ PAGES 36-37 OF LTS NOTE FOR MORE INFORMATION THEN DISCUSSION March 2009 Nairn Academy Intermediate 1 37
  38. 38. Computer Applications Exercises 9 from Notes p.38-39 March 2009 Nairn Academy Intermediate 1 38
  39. 39. Introduction to Spreadsheets • In this topic you will learn about •
  40. 40. Computer Applications • SPREADSHEET SOFTWARE With SS software you can: • Use cell addresses/references to perform calculations. • Edit Data – numbers, text, formulae (insert, amend, delete) • Copy formulae (Fill Down & Fill Right) • Insert and Delete Columns & Rows • Create basic arithmetic functions (+, -, *, /) • Use SUM and AVERAGE functions • Sort data on 1 column • Format cells – Currency £, Change Row Height, Change Column Width • Create simple charts and graphs. March 2009 Nairn Academy Intermediate 1 40
  41. 41. Computer Applications • SPREADSHEET SOFTWARE March 2009 Nairn Academy Intermediate 1 41 ROW COLUMN
  42. 42. Computer Applications • SPREADSHEET SOFTWARE With SS software you can: • Use cell addresses/references to perform calculations. • Edit Data – numbers, text, formulae (insert, amend, delete) • Copy formulae (Fill Down & Fill Right) • Insert and Delete Columns & Rows • Create basic arithmetic functions (+, -, *, /) • Use SUM and AVERAGE functions • Sort data on 1 column • Format cells – Currency £, Change Row Height, Change Column Width • Create simple charts and graphs. March 2009 Nairn Academy Intermediate 1 42
  43. 43. Computer Applications • Spreadsheet Software: Home and Work uses • HOME: Club Register, Personal Banking etc • WORK: Tax calculations, staff registers etc March 2009 Nairn Academy Intermediate 1 43
  44. 44. Computer Applications • SPREADSHEET SOFTWARE With SS software you can: • Use cell addresses/references to perform calculations. • Edit Data – numbers, text, formulae (insert, amend, delete) • Copy formulae (Fill Down & Fill Right) • Insert and Delete Columns & Rows • Create basic arithmetic functions (+, -, *, /) • Use SUM and AVERAGE functions • Sort data on 1 column • Format cells – Currency £, Change Row Height, Change Column Width • Create simple charts and graphs. March 2009 Nairn Academy Intermediate 1 44
  45. 45. Question • • What are the advantages of electronic spreadsheets over the traditional manual methods?
  46. 46. Computer Applications Exercise 10 and 11 March 2009 Nairn Academy Intermediate 1 46 REVIEW P.41 – 42 OF LTS COMPUTER APPS NOTES
  47. 47. Homework March 2009 Nairn Academy Intermediate 1 47 •Computer Applications •HOMEWORK 3 •(Use slides and LTS notes to hep you answer the questions)
  48. 48. Computer Applications • SPREADSHEET SOFTWARE With SS software you can: • Use cell addresses/references to perform calculations. • Edit Data – numbers, text, formulae (insert, amend, delete) • Copy formulae (Fill Down & Fill Right) • Insert and Delete Columns & Rows • Create basic arithmetic functions (+, -, *, /) • Use SUM and AVERAGE functions • Sort data on 1 column • Format cells – Currency £, Change Row Height, Change Column Width • Create simple charts and graphs. March 2009 Nairn Academy Intermediate 1 48
  49. 49. Computer Applications Exercise 12 and 13 March 2009 Nairn Academy Intermediate 1 49 REVIEW P.41 – 42 OF LTS COMPUTER APPS NOTES
  50. 50. Get ready to take notes!!!
  51. 51. Computer Applications • SPREADSHEET SOFTWARE With SS software you can: • Use cell addresses/references to perform calculations. • Edit Data – numbers, text, formulae (insert, amend, delete) • Copy formulae (Fill Down & Fill Right) • Insert and Delete Columns & Rows • Create basic arithmetic functions (+, -, *, /) • Use SUM and AVERAGE functions • Sort data on 1 column • Format cells – Currency £, Change Row Height, Change Column Width • Create simple charts and graphs. March 2009 Nairn Academy Intermediate 1 51
  52. 52. Computer Applications Exercise 14 – 16 Upload all files to online storage March 2009 Nairn Academy Intermediate 1 52 REVIEW P.41 – 42 OF LTS COMPUTER APPS NOTES
  53. 53. Teacher preparation • Assign - Computer Applications - Spreadsheets - End of Topic Test S.Caddell / Nairn Academy / S1 ICT / Unit 2 53
  54. 54. Pupil instructions • Come in and sit at your normal seat • Log on to the school network • Turn and face the front of the room ready to take notes • Listen closely  S.Caddell / Nairn Academy / S1 ICT / Unit 2 54
  55. 55. What are we going to cover? • Aims and Objectives:  Review all the theory learned to date: Spreadsheet topic only  Test our knowledge of Spreadsheet theory learned to date S.Caddell / Nairn Academy / S1 ICT / Unit 2 55
  56. 56. Computer Applications SPREADSHEET SOFTWARE With Spreadsheet software you can: • Use cell addresses/references to perform calculations. • Edit Data – numbers, text, formulae (insert, amend, delete) • Copy formulae (Fill Down & Fill Right) • Insert and Delete Columns & Rows • Create basic arithmetic functions (+, -, *, /) • Use SUM and AVERAGE functions • Sort data on 1 column • Format cells – Currency £, Change Row Height, Change Column Width • Create simple charts and graphs. March 2009 Nairn Academy Intermediate 1 56
  57. 57. End of Unit Test • www.classmarker.com • Computer Applications - Spreadsheets - End of Topic Test
  58. 58. What do we do now? • Get all our Practical Evidence together • Keep studying and practicing • Use the resources available: • PowerPoint slides – www.hitcomp.net • Review past www.classmarker.com questions and answers • Try some of the www.quiz.hitcomp.net quizzes
  59. 59. What have we covered today? • Aims and Objectives:  Review all the theory learned to date: Spreadsheet topic only  Test our knowledge of Spreadsheet theory learned to date S.Caddell / Nairn Academy / S1 ICT / Unit 2 59
  60. 60. Teacher preparation Check that Database package is working Check the quiz links Add homework check to planner for next lesson S.Caddell / Nairn Academy / S1 ICT / Unit 2 60
  61. 61. Pupil instructions • Come in and sit at your normal seat • Log on to the school network • Turn and face the front of the room ready to take notes • Listen closely  S.Caddell / Nairn Academy / S1 ICT / Unit 2 61
  62. 62. What are we going to cover? • Aims and Objectives:  Develop an understanding of the term: DATABASE  Distinguish the difference between a SPREADSHEET and DATABASE  Develop a basic understanding of some of the theoretical terms relating to DATABASES  Develop an awareness of home and work related uses for DATABASE packages S.Caddell / Nairn Academy / S1 ICT / Unit 2 62
  63. 63. Computer Applications DATABASE SOFTWARE With DB software you can: • Design a Database (Choosing suitable field names) • Design a Database (Choosing suitable field types; number, date, time,) • Create a new Database • Edit an Existing Database (insert, amend, delete records/fields) • Sort on a single/multiple field • Search on a single/multiple field March 2009 Nairn Academy Intermediate 1 63
  64. 64. Computer Applications Database Software: key terms FIELD – A single item of data stored in a record. FIELD TYPE – Determines the type of data that must be entered: Number, Text, Date, Graphics, etc RECORD – A data structure with one or more fields of information. FILE – Information held on backing storage or in memory. March 2009 Nairn Academy Intermediate 1 64
  65. 65. Exercise Try the following quizzes: • http://dotatmac.mcmaster.ca/db_basics/db_10_quiz.htm • http://www.teach-ict.com/gcse/software/db/starters_plenaries/gcsedatayesno.htm
  66. 66. Questions Copy the following questions: Information held on backing storage or in memory is stored as a? A single item of data stored in a record is called a? A data structure with one or more fields of information is called a? What determines the type of data that must be entered: Number, Text, Date, Graphics, etc? Answer the following questions in your project/notebooks.
  67. 67. Computer Applications Database Software: Home and Work uses HOME: Storing family/friends addresses etc WORK: Storing customer information etc March 2009 Nairn Academy Intermediate 1 67
  68. 68. Homework DURATION: 10-15 mins DUE: next lesson Go home and write up a list of all the home and work uses of database software you can think of. Have this ready for the next lesson.
  69. 69. What have we covered today? • Aims and Objectives:  Developed an understanding of the term: DATABASE  Discussed the difference between a SPREADSHEET and DATABASE  Developed a basic understanding of some of the theoretical terms relating to DATABASES  Developed an awareness of home and work related uses for DATABASE packages S.Caddell / Nairn Academy / S1 ICT / Unit 2 69
  70. 70. Computer Applications • Databases: ADVANTAGES & DISADVANTAGES???? March 2009 Nairn Academy Intermediate 1 70
  71. 71. Computer Applications Exercises 17-18 March 2009 Nairn Academy Intermediate 1 71 REVIEW P.61-63 OF LTS COMPUTER APPS NOTES
  72. 72. Computer Applications Exercises 19-21 March 2009 Nairn Academy Intermediate 1 72 REVIEW P.61-63 OF LTS COMPUTER APPS NOTES
  73. 73. Computer Applications Exercises 22-23 March 2009 Nairn Academy Intermediate 1 73 REVIEW P.61-63 OF LTS COMPUTER APPS NOTES
  74. 74. Computer Applications • Database Software: Home and Work uses • FIELD – A single item of data stored in a record. • FIELD TYPE – Determines the type of data that must be entered: Number, Text, Date, Graphics, etc • RECORD – A data structure with one or more fields of information. • FILE – Information held on backing storage or in memory. March 2009 Nairn Academy Intermediate 1 74
  75. 75. Computer Applications • GRAPHICS SOFTWARE • 2 Types: Drawing (Vector Graphics) Painting (Bitmap Graphics) March 2009 Nairn Academy Intermediate 1 75
  76. 76. Computer Applications • GRAPHICS SOFTWARE • With DRAWING software you can: - Create pictures & shapes - Make changes to a picture - Move, copy, resize part of a picture March 2009 Nairn Academy Intermediate 1 76
  77. 77. Computer Applications • GRAPHICS SOFTWARE • DRAWING Tools • Straight Line • Rectangle • Ellipse • Freehand • Text • Library of shapes • Zoom/Magnify See P.73 of LTS notes to familiarise yourself with the above notes March 2009 Nairn Academy Intermediate 1 77
  78. 78. Computer Applications • GRAPHICS SOFTWARE • DRAWING Editing Tools • Select objects • Width of line • Line Colour • Fill Colour See P.73 of LTS notes to familiarise yourself with the above notes March 2009 Nairn Academy Intermediate 1 78
  79. 79. Computer Applications Exercises 24-26 March 2009 Nairn Academy Intermediate 1 79 REVIEW P.73 OF LTS COMPUTER APPS NOTES
  80. 80. Computer Applications Exercises 27 March 2009 Nairn Academy Intermediate 1 80 REVIEW P.73 OF LTS COMPUTER APPS NOTES
  81. 81. Computer Applications • GRAPHICS SOFTWARE • DRAWING Editing Tools • Select objects • Width of line • Line Colour • Fill Colour See P.73 of LTS notes to familiarise yourself with the above notes March 2009 Nairn Academy Intermediate 1 81
  82. 82. Computer Applications Exercises 28 March 2009 Nairn Academy Intermediate 1 82 REVIEW P.73 OF LTS COMPUTER APPS NOTES
  83. 83. Computer Applications • GRAPHICS SOFTWARE • DRAWING Editing Tools • Select objects • Width of line • Line Colour • Fill Colour See P.73 of LTS notes to familiarise yourself with the above notes March 2009 Nairn Academy Intermediate 1 83
  84. 84. Computer Applications Exercises 28 March 2009 Nairn Academy Intermediate 1 84 REVIEW P.73 OF LTS COMPUTER APPS NOTES
  85. 85. Computer Applications • GRAPHICS SOFTWARE • DRAWING Editing Tools • Select objects • Width of line • Line Colour • Fill Colour See P.73 of LTS notes to familiarise yourself with the above notes March 2009 Nairn Academy Intermediate 1 85
  86. 86. Computer Applications Exercises 29 March 2009 Nairn Academy Intermediate 1 86 REVIEW P.73 OF LTS COMPUTER APPS NOTES
  87. 87. Computer Applications • GRAPHICS SOFTWARE • DRAWING Editing Tools • Select objects • Width of line • Line Colour • Fill Colour See P.73 of LTS notes to familiarise yourself with the above notes March 2009 Nairn Academy Intermediate 1 87
  88. 88. Computer Applications • GRAPHICS SOFTWARE • With PAINTING SOFTWARE software you can: - Create pictures & shapes - Make changes to a picture - Move, copy, resize part of a picture March 2009 Nairn Academy Intermediate 1 88
  89. 89. Computer Applications • GRAPHICS SOFTWARE • PAINTING Tools • Straight Line • Rectangle • Ellipse • Textbox • Pencil – Thin Lines • Brush – Thick Lines • Zoom/Magnify See P.85 of LTS notes to familiarise yourself with the above notes March 2009 Nairn Academy Intermediate 1 89
  90. 90. Computer Applications • GRAPHICS SOFTWARE • PAINTING Editing Tools • Select part of a picture • Paint Pot (Fill) • Eraser • Width of Line • Line Colour • Fill Colour See P.85 of LTS notes to familiarise yourself with the above notes March 2009 Nairn Academy Intermediate 1 90
  91. 91. Computer Applications • Graphics Software: Home and Work uses • TASK: Think up as many different ways to use Graphics software at home and in as many workplaces as you can. Put your answers down on a Graffiti sheet. March 2009 Nairn Academy Intermediate 1 91
  92. 92. Computer Applications • Graphics Software: Mind Map • TASK: Create a Mind Map for both types of Graphics software and then, by comparing the maps, list the differences between the 2. March 2009 Nairn Academy Intermediate 1 92
  93. 93. Homework March 2009 Nairn Academy Intermediate 1 93 •Computer Applications •HOMEWORK 4 •(Use slides and LTS notes to hep you answer the questions)
  94. 94. Computer Applications Exercises 30-32 from Notes p.86-92 March 2009 Nairn Academy Intermediate 1 94 REVIEW P.85 OF LTS COMPUTER APPS NOTES SEE NEXT SLIDE 
  95. 95. NAB Revision • Theory NAB Preparation
  96. 96. NAB Revision • Theory NAB – SQA Solar
  97. 97. COMPUTER APPLICATIONS • End of Unit Test • NAB Outcome 1 – Collect Practical evidence • NAB Outcome 2 – Theory Test (Multiple Choice) March 2009 Nairn Academy Intermediate 1 97
  98. 98. UNIT 2 MULTIMEDIA APPLICATIONS March 2009 Nairn Academy Intermediate 1 98
  99. 99. Multimedia Applications • What is Multimedia? • Everything you see and hear • Text, sound, graphics, animations March 2009 Nairn Academy Intermediate 1 99
  100. 100. Multimedia Applications • Who uses Multimedia? Education Business Leisure March 2009 Nairn Academy Intermediate 1 100
  101. 101. Multimedia Applications EXERCISE 1 (use the Theory notes to assist you) March 2009 Nairn Academy Intermediate 1 101
  102. 102. Multimedia Applications • A Multimedia Computer System Consists of:  Input Devices  Output Devices  Memory  Backing Storage  Software March 2009 Nairn Academy Intermediate 1 102
  103. 103. Multimedia Applications • Input Devices  Keyboard  Mouse  Scanner (w/OCR)  Microphone (w/Voice Recognition)  Graphics Tablet (w/Handwriting Recognition)  Digital Camera March 2009 Nairn Academy Intermediate 1 103
  104. 104. Multimedia Applications • Optical Character Recognition • Scan text directly into computer memory • Once scanned, the user can edit the text March 2009 Nairn Academy Intermediate 1 104
  105. 105. Multimedia Applications • Voice Recognition Software • Spoken words are converted into computer text • User must speak clearly and slowly • Software has difficulty understanding strong accents March 2009 Nairn Academy Intermediate 1 105
  106. 106. Multimedia Applications • Handwriting Recognition Software • Allows the user to use his/her normal handwriting to add text into the computer • Reads the shape of the writing and convert is • Cannot read poorly written text March 2009 Nairn Academy Intermediate 1 106
  107. 107. Multimedia Applications • Digital Camera • Allows a user to add photographic images into the computer system • Removable backing storage March 2009 Nairn Academy Intermediate 1 107
  108. 108. Multimedia Applications • Resolution • The amount of detail in an image • Measured in Dots Per Inch (dpi) March 2009 Nairn Academy Intermediate 1 108
  109. 109. Multimedia Applications • Digital Video Camera • Used for taking movies and works in a similar way to Digital Cameras • Requires a great deal of memory March 2009 Nairn Academy Intermediate 1 109
  110. 110. Multimedia Applications EXERCISE 2 (use the Theory notes to assist you) March 2009 Nairn Academy Intermediate 1 110
  111. 111. Multimedia Applications • Output Devices  Monitors  Speakers  Data Projectors March 2009 Nairn Academy Intermediate 1 111
  112. 112. Multimedia Applications • Monitors • 2 types: • LCD (Modern, flat panel) • CRT (Older, large body) March 2009 Nairn Academy Intermediate 1 112
  113. 113. Multimedia Applications • LCD • Liquid Crystal Display • Light • Portable • Flat • Uses less power than CRT March 2009 Nairn Academy Intermediate 1 113
  114. 114. Multimedia Applications • CRT • Cathode Ray Tube • Light beams hit the phosphorous inside the screen making it glow • Not so portable • Uses more power than LCD technology March 2009 Nairn Academy Intermediate 1 114
  115. 115. Multimedia Applications • Speakers  Use to output sound  Used especially in Multimedia Presentations  Extra loudspeakers can usually be added  Links in to the Sound Card March 2009 Nairn Academy Intermediate 1 115
  116. 116. Multimedia Applications • Data Projector  Project output from the computer on to a large white screen  Allows large audiences to view a presentation  Works with a Graphics Card March 2009 Nairn Academy Intermediate 1 116
  117. 117. Multimedia Applications • Graphics Card • Provides good quality monitor output • Large amounts of their own memory • Monitors and Data Projectors plug into the Graphics Card March 2009 Nairn Academy Intermediate 1 117
  118. 118. Homework March 2009 Nairn Academy Intermediate 1 118 •Multimedia Applications •HOMEWORK 1 •(Use slides and LTS notes to hep you answer the questions)
  119. 119. Multimedia Applications EXERCISE 3 (use the Theory notes to assist you) March 2009 Nairn Academy Intermediate 1 119
  120. 120. Multimedia Applications • Backing Storage • Hard Disk • Floppy Disk • Compact Disk (CD) • USB Flash Drive • Digital Versatile Disk (DVD) March 2009 Nairn Academy Intermediate 1 120
  121. 121. Multimedia Applications • Hard Disk • Magnetic • Large Storage Capacity (approx. 250GB) • Ideal for storing large Multimedia Presentations with video and sound files March 2009 Nairn Academy Intermediate 1 121
  122. 122. Multimedia Applications • Floppy Disk • Older technology • 1.44MB Storage Capacity • Not suitable for Multimedia Files March 2009 Nairn Academy Intermediate 1 122
  123. 123. Multimedia Applications • Compact Disks • Optical Storage • Portable • Direct Access March 2009 Nairn Academy Intermediate 1 123
  124. 124. Multimedia Applications • Compact Disks • Large Storage Capacity (approx. 700MB) • Useful for storing Multimedia • Various types March 2009 Nairn Academy Intermediate 1 124
  125. 125. Multimedia Applications • Compact Disks CD-ROM CD-RW CD-R See pages 15 & 16 of the Multimedia Theory notes for more information March 2009 Nairn Academy Intermediate 1 125
  126. 126. Multimedia Applications • Digital Versatile Disks • Capacity from 4.7GB to 17GB • Portable • Optical • Useful for storing Multimedia March 2009 Nairn Academy Intermediate 1 126
  127. 127. Multimedia Applications • Digital Versatile Disks DVD DVD-R DVD-RW March 2009 Nairn Academy Intermediate 1 127
  128. 128. Multimedia Applications • USB Flash Drives  Small Compact Memory Chip  264MB to 16GB  Portable  Can be re-written to many times  Use USB port on any computer March 2009 Nairn Academy Intermediate 1 128
  129. 129. Multimedia Applications See table on p.17 for a run down of all the backing storage devices mentioned March 2009 Nairn Academy Intermediate 1 129
  130. 130. Multimedia Applications EXERCISE 4 (use the Theory notes to assist you) March 2009 Nairn Academy Intermediate 1 130
  131. 131. Multimedia Applications • File Types • Text File Types (.txt / .doc / .rtf) • Graphics File Types (.bmp / .gif / .jpeg) • Video File Types (.mpeg / .avi) • Sound File Types (.wav / .mp3) March 2009 Nairn Academy Intermediate 1 131
  132. 132. Multimedia Applications • File Types • Reducing the amount of data to be stored • Compression of data • Smaller files = Faster downloads March 2009 Nairn Academy Intermediate 1 132
  133. 133. Multimedia Applications • Text File Types • .txt • .doc – Microsoft Word • .rtf – Saves files with formatting March 2009 Nairn Academy Intermediate 1 133
  134. 134. Multimedia Applications • Graphics File Types • .bmp – bitmap • .gif – Graphics interchange File Format (Bitmap) • .jpeg – Joint Photographic Experts Group March 2009 Nairn Academy Intermediate 1 134
  135. 135. Multimedia Applications • File Compression - GIF • Code used to store repeated patterns of data • Bits are not stored individually March 2009 Nairn Academy Intermediate 1 135
  136. 136. Multimedia Applications • File Compression - JPEG • Reduces file size by approx. 80% • Cuts out parts of a graphics that will not be seen by the human eye • Little loss in picture quality March 2009 Nairn Academy Intermediate 1 136
  137. 137. Multimedia Applications • Bitmapped Graphics Files • Made up of a grid of PIXELS • Pixel stored as a 1 or 0 (1 = black, 0=white) • Memory requirements increase for coloured graphics March 2009 Nairn Academy Intermediate 1 137
  138. 138. Homework March 2009 Nairn Academy Intermediate 1 138 •Multimedia Applications •HOMEWORK 2 •(Use slides and LTS notes to hep you answer the questions)
  139. 139. Multimedia Applications • File Compression – Moving Images • MPEG (.mpg) • → Similar to JPEG compression • → Cuts any unchanged data from the video frames • → uncompressed when viewed • AVI (.avi) »→ Audio and video stored in single file » → Limits the size of the file to be stored March 2009 Nairn Academy Intermediate 1 139
  140. 140. Multimedia Applications • File Compression – Audio • WAV (.wav) • → compressed • → still have fairly high storage requirement • → works on all Windows computers and most browsers • MP3 (.mp3) »→ higher degree of compression » → small storage requirements March 2009 Nairn Academy Intermediate 1 140
  141. 141. Multimedia Applications • Copyright • Law • Many pictures and sound files cannot be used without the owners permission • Some graphics and audio files are Copyright- free March 2009 Nairn Academy Intermediate 1 141
  142. 142. Multimedia Applications EXERCISE 5 (use the Theory notes to assist you) March 2009 Nairn Academy Intermediate 1 142
  143. 143. Multimedia Applications • Multimedia Software • Presentation • Multimedia Authoring • Desktop Publishing (DTP) March 2009 Nairn Academy Intermediate 1 143
  144. 144. Multimedia Applications • Presentation Software • ex. Powerpoint • Create Multimedia Presentations • Slides • Includes: text, graphics, sound March 2009 Nairn Academy Intermediate 1 144
  145. 145. Multimedia Applications • Templates • Ready made blank documents • Can be adapted to suit users needs • Placeholders for text and graphics March 2009 Nairn Academy Intermediate 1 145
  146. 146. Multimedia Applications • Desktop Publishing Software • ex. Microsoft Publisher, Scribus • Create cards, newspapers, posters, etc • Uses text and graphics • Uses templates March 2009 Nairn Academy Intermediate 1 146
  147. 147. Homework March 2009 Nairn Academy Intermediate 1 147 •Multimedia Applications •HOMEWORK 3 •(Use slides and LTS notes to hep you answer the questions)
  148. 148. Multimedia Applications Start of Section 2 Creating a Multimedia Presentation (1) March 2009 Nairn Academy Intermediate 1 148
  149. 149. Multimedia Applications • Computer Operations • Save Files • Printing • Colours • Text/Graphics Effects March 2009 Nairn Academy Intermediate 1 149
  150. 150. Multimedia Applications • Word Processing • Enter and edit text using a keyboard • You can • → Save and reload text • → Alter size of text • → Alter the style of text • → Spell-check you document • → Align text: left, right, centre • → Search and Replace • → Alter page layout – → Change page orientation: landscape or portrait March 2009 Nairn Academy Intermediate 1 150
  151. 151. Multimedia Applications • Other methods of entering text • Scanner & Optical Character Recognition software (OCR) • Microphone and Voice Recognition Software • Graphics Tablet and Handwriting Recognition Software March 2009 Nairn Academy Intermediate 1 151
  152. 152. Multimedia Applications • Word Processing • Enter and edit text using a keyboard • You can • → Save and reload text • → Alter size of text • → Alter the style of text • → Spell-check you document • → Align text: left, right, centre • → Search and Replace • → Alter page layout – → Change page orientation: landscape or portrait March 2009 Nairn Academy Intermediate 1 152
  153. 153. Multimedia Applications EXERCISE 6 (use the Theory notes to assist you) March 2009 Nairn Academy Intermediate 1 153
  154. 154. Multimedia Applications • Creating Still Images • Still image – picture that does not move • Bit-mapped (Paint) or Vector Graphics (Draw) March 2009 Nairn Academy Intermediate 1 154
  155. 155. Multimedia Applications • Vector Drawn Graphics • Layering of objects: • → Overlapping objects can be placed in front or behind other objects March 2009 Nairn Academy Intermediate 1 155
  156. 156. Multimedia Applications • Vector Drawn Graphics • Scaling Objects without loss of quality • →When an object is made bigger or smaller March 2009 Nairn Academy Intermediate 1 156
  157. 157. Multimedia Applications • Vector Drawn Graphics • Rotating Objects • → Object turned through a number of degrees March 2009 Nairn Academy Intermediate 1 157
  158. 158. Multimedia Applications • Vector Drawn Graphics • Colouring of objects: • → An object can be coloured March 2009 Nairn Academy Intermediate 1 158
  159. 159. Multimedia Applications • Vector Drawn Graphics • Flipping of objects: • → Can flip horizontally or vertically March 2009 Nairn Academy Intermediate 1 159
  160. 160. Multimedia Applications • Bit-mapped Drawn Graphics • Can use all of the Vector Graphic features but can also be CROPPED • Sometimes known as 'Clipping' March 2009 Nairn Academy Intermediate 1 160
  161. 161. Multimedia Applications EXERCISE 7 (use the Theory notes to assist you) March 2009 Nairn Academy Intermediate 1 161
  162. 162. Multimedia Applications • Graphics can be taken from other sources: • Scanner • Clip Art • Internet • Digital Camera March 2009 Nairn Academy Intermediate 1 162
  163. 163. Homework March 2009 Nairn Academy Intermediate 1 163 •Multimedia Applications •HOMEWORK 4 •(Use slides and LTS notes to hep you answer the questions)
  164. 164. Multimedia Applications EXERCISE 8 (use the Theory notes to assist you) March 2009 Nairn Academy Intermediate 1 164
  165. 165. Multimedia Applications Start of Section 3 Creating a Multimedia Presentation (2) March 2009 Nairn Academy Intermediate 1 165
  166. 166. Multimedia Applications • PRACTICAL ASSIGNMENT • 5 Steps: • Choose Topic • Design presentation on paper • Gather Information • Put presentation together • Preview March 2009 Nairn Academy Intermediate 1 166
  167. 167. Multimedia Applications From here use your pupil workbooks and Theory booklets to complete Section 3 (p.35 → 42) March 2009 Nairn Academy Intermediate 1 167
  168. 168. Multimedia Applications • PRACTICAL ASSIGNMENT • Must include the 4 items that make up a presentation: → Text → Graphics → Sound → Video March 2009 Nairn Academy Intermediate 1 168
  169. 169. MULTIMEDIA APPLICATIONS • End of Unit Test • NAB Outcome 1 – Collect Practical evidence • NAB Outcome 2 – Theory Test (Multiple Choice) March 2009 Nairn Academy Intermediate 1 169
  170. 170. UNIT 3 Computers and The Internet March 2009 Nairn Academy Intermediate 1 170
  171. 171. Section 1 Computer Hardware Unit 3: Computers and The Internet March 2009 Nairn Academy Intermediate 1 171
  172. 172. Computer Systems • Desktop Computers • Laptop Computers March 2009 Nairn Academy Intermediate 1 172
  173. 173. Desktop Computers • PC (Personal Computer) • Collection of different hardware devices • Permanently on a desk so NOT Portable March 2009 Nairn Academy Intermediate 1 173
  174. 174. Desktop Computers • Consists of:  System Unit  Monitor  Mouse and Keyboard  Printer  Speakers March 2009 Nairn Academy Intermediate 1 174
  175. 175. Desktop - Monitor Desktop - Keyboard Desktop - Mouse Desktop – System Unit Use arrow keys to animate
  176. 176. System Unit • Consists of:  Processor  Memory  Backing Storage Devices  Sound Cards  Graphics Cards March 2009 Nairn Academy Intermediate 1 176
  177. 177. System Unit • Consists of:  Processor  Memory  Backing Storage Devices  Sound Cards  Graphics Cards March 2009 Nairn Academy Intermediate 1 177
  178. 178. Portable Computers • Laptop – also called ‘Notebook’ • Commonly used in business • Competition for Desktops? March 2009 Nairn Academy Intermediate 1 178
  179. 179. Laptop Computers • Consists of:  Processor  Memory  Backing Storage  Trackpad, Touchball, or Trackpoint March 2009 Nairn Academy Intermediate 1 179
  180. 180. Laptop Computers • Mouse can be attached • Plug-in workstations March 2009 Nairn Academy Intermediate 1 180
  181. 181. Palmtop Computers • Can be called PDA’s • PDA = Personal Digital Assistant • Download files from PC’s • Organisers, Contact Lists, E-mail, etc March 2009 Nairn Academy Intermediate 1 181
  182. 182. Palmtop Computers • Separate software now available • Input of data  Touchscreens with Stylus  Mini-keyboards March 2009 Nairn Academy Intermediate 1 182
  183. 183. Palmtop Computers • Limited Amount of Storage • Limited Amount of Processing Power
  184. 184. Questions Exercise 1 March 2009 Nairn Academy Intermediate 1 184
  185. 185. Components of a Computer • Data Processing machines March 2009 Nairn Academy Intermediate 1 185 INPUT PROCESS OUTPUT
  186. 186. Components of a Computer • Data is input, processed, and output using the following components:  Input Devices  Processor  Memory  Output Devices  Backing Storage Devices March 2009 Nairn Academy Intermediate 1 186
  187. 187. Components of a Computer March 2009 Nairn Academy Intermediate 1 187
  188. 188. Central Processing Unit (CPU) • Contains:  The Processor  Main Memory March 2009 Nairn Academy Intermediate 1 188
  189. 189. Size • March 2009 Nairn Academy Intermediate 1 189
  190. 190. The Processor • ‘Brain’ of the computer • Hardware • Works at speed measured in:  Hertz (Hz)  MegaHertz (MHz)  GigaHertz (GHz) March 2009 Nairn Academy Intermediate 1 190
  191. 191. Memory • Random Access Memory (RAM) • Read Only Memory (ROM) March 2009 Nairn Academy Intermediate 1 191
  192. 192. Memory • Random Access Memory (RAM)  Temporary storage area for holding: a) Instructions contained in programs b) To hold any data that has been input c) To ‘remember’ any changes it has made to them  Data is lost when the power is switched off! March 2009 Nairn Academy Intermediate 1 192
  193. 193. Memory • Read Only Memory (ROM)  Permanent memory  Does not lose data when the power is switched off  All computers must have some ROM  Tells the computer what to do when it is switched on March 2009 Nairn Academy Intermediate 1 193
  194. 194. Memory • Read Only Memory (ROM)  Permanent memory  Does not lose data when the power is switched off  All computers must have some ROM  Tells the computer what to do when it is switched on  ROM cannot be written to! March 2009 Nairn Academy Intermediate 1 194
  195. 195. Memory March 2009 Nairn Academy Intermediate 1 195
  196. 196. Updated Computer System Diagram March 2009 Nairn Academy Intermediate 1 196
  197. 197. Size of Memory • Computer represents data using just 2 numbers • 1 and 0 • These are Binary Digits or bits March 2009 Nairn Academy Intermediate 1 197
  198. 198. Size of Memory March 2009 Nairn Academy Intermediate 1 198
  199. 199. Finding data in Memory • Memory is made up of millions of storage locations • Each location has its own unique address • Address is simply one number March 2009 Nairn Academy Intermediate 1 199
  200. 200. Questions Exercise 2 March 2009 Nairn Academy Intermediate 1 200
  201. 201. Specification Tasks Page 16 - 21 March 2009 Nairn Academy Intermediate 1 201
  202. 202. Embedded computer systems • Household devices each have computer processors • Video recorders • Washing Machines • Microwave Ovens March 2009 Nairn Academy Intermediate 1 202
  203. 203. Embedded computer systems • All will need some form of ROM • ROM stores the processors instructions • RAM may also be present if the device, like a HDD recorder, is programmable March 2009 Nairn Academy Intermediate 1 203
  204. 204. Network Systems • A network is 2 or more computer systems connected together • Commonly consist of:  Server  Clients March 2009 Nairn Academy Intermediate 1 204
  205. 205. Server • Manages network resources • File Servers control the programs that run on individual workstations • File Servers also provide security so that users only get access to their own files when they log on to the networks March 2009 Nairn Academy Intermediate 1 205
  206. 206. Client • Any computer that can access the network • Also called WORKSTATIONS • DUMB TERMINAL – an alternative type of client that relies on the server to work March 2009 Nairn Academy Intermediate 1 206
  207. 207. User names and Passwords • Allows secure access to files • Only the person with a password should have access to the information • Passwords should always be kept private March 2009 Nairn Academy Intermediate 1 207
  208. 208. Advantages of networking • Sharing data and programs • Licensing software – discuss • Sharing peripherals • Communication March 2009 Nairn Academy Intermediate 1 208
  209. 209. Computer Networking Quiz Classmarker.com Intermediate 1 Computing Studies - Computers and The Internet - Networking March 2009 Nairn Academy Intermediate 1 209
  210. 210. Hardware Devices • 3 categories:  Input Devices  Output Devices  Backing Storage Devices March 2009 Nairn Academy Intermediate 1 210
  211. 211. Input Devices • Keyboard • Mouse • Trackball • Touchpad • Touch (sensitive) screen • Graphics (Digitising)Tablet • Microphone • Electronic Whiteboard • Scanner • Scanning with OCR software • Web Cam • Digital Camera • Digital Video Camera • Joystick March 2009 Nairn Academy Intermediate 1 211
  212. 212. Input Devices Practical Tasks Page 28 March 2009 Nairn Academy Intermediate 1 212
  213. 213. Output Devices • Monitor (TFT/CRT) • Speakers • Digital Projector • Plotter • Printer (Inkjet/Laser) March 2009 Nairn Academy Intermediate 1 213
  214. 214. Comparing Printers • Set-up costs • Running Costs • Resolution • Speed • Noise March 2009 Nairn Academy Intermediate 1 214
  215. 215. Comparing Printers March 2009 Nairn Academy Intermediate 1 215
  216. 216. Output Devices – Questions and Practical Page 33 March 2009 Nairn Academy Intermediate 1 216
  217. 217. Backing Storage Devices • 3 types:  Magnetic Drives  Optical Drives  Solid State (Flash) Drives March 2009 Nairn Academy Intermediate 1 217
  218. 218. Access Methods • Random Access (Direct) • Sequential Access (Serial) March 2009 Nairn Academy Intermediate 1 218
  219. 219. Random Access • Accessing files straight away • Do not have to ‘trawl’ through the entire list of stored data • Examples = Hard Disk, SSD, CD, DVD, Blu-Ray March 2009 Nairn Academy Intermediate 1 219
  220. 220. Sequential Access • User must run through all data until they find the data that they require • Example = Magnetic Tape Drive March 2009 Nairn Academy Intermediate 1 220
  221. 221. Comparing Backing Storage Devices March 2009 Nairn Academy Intermediate 1 221
  222. 222. Backing Storage Task Page 38 March 2009 Nairn Academy Intermediate 1 222
  223. 223. Other Devices • Motherboard • Graphics Tablet • Sound Card • Modem • Network Interface Card (NIC) March 2009 Nairn Academy Intermediate 1 223
  224. 224. Motherboard • Links all computer components together • Made up of electric components March 2009 Nairn Academy Intermediate 1 224
  225. 225. Graphics Card • Produces the images you see on the screen • Contain extra Memory • Need to cope with high quality video output • Connects to the Motherboard via PCI interface March 2009 Nairn Academy Intermediate 1 225
  226. 226. Sound Card • Takes sound input from Microphones • Sends sound to speakers and headphones • CD or DVD drives attached to allow sound output March 2009 Nairn Academy Intermediate 1 226
  227. 227. Modem • Modulator/Demodulator • Converts digital computer data into analogue telephone data • Data is changed back in to digital signals by the modem at the other end of the line • Most computers have a built-in modem • External Modem March 2009 Nairn Academy Intermediate 1 227
  228. 228. Network Interface Card • NIC – Network Interface Card • Any computer on a network needs one of these • Allows connection to a LAN (Local Area Network) • Wireless Network Interface Card (Wireless NIC) March 2009 Nairn Academy Intermediate 1 228
  229. 229. Section 2 Computer Software Unit 3: Computers and The Internet March 2009 Nairn Academy Intermediate 1 229
  230. 230. Types of Software • Invisible data that makes the computers work • 2 types: → Program Files – lists of instructions and commands that tell the processor what to do → Data Files – Information created by, or needed by programs to work March 2009 Nairn Academy Intermediate 1 230
  231. 231. Program Files • Systems Software – types include: • → Operating System • → Utility Software • → Virus Checkers • → Icon Editing Programs • → Disk clean-up Programs • Application Software – types include: • → Word Processors • → Spreadsheets • → Desktop Publishing • → etc..... March 2009 Nairn Academy Intermediate 1 231
  232. 232. Application Packages • When you buy an application package you get: • → CD or DVD with the software on it • → Software Licence • → User Guide • → Tutorial Guide • → Installation Guide March 2009 Nairn Academy Intermediate 1 232
  233. 233. Operating Systems Software • Controls the computer • Examples: Windows 2000, XP, Vista, etc • Provides and Interface March 2009 Nairn Academy Intermediate 1 233
  234. 234. Interface • The way the user interacts with the computer: • → Takes in user commands • → Provides useful information to the user • WIMP – Windows Icons Menus Pointer • GUI – Graphical User Interface March 2009 Nairn Academy Intermediate 1 234
  235. 235. Operating Systems Software • Manages Backing Storage • Manages Memory • Manages Input & Output March 2009 Nairn Academy Intermediate 1 235
  236. 236. Operating Systems Questions Page 45 March 2009 Nairn Academy Intermediate 1 236
  237. 237. Operating Systems Practical Task Page 46-47 March 2009 Nairn Academy Intermediate 1 237
  238. 238. Applications Software • Word Processing Software (WP) • Desktop Publishing Software (DTP) • Web Authoring Software • Spreadsheet Software (SS) • Database Software (DB) • Communication Software • E-mail client • Web Browser March 2009 Nairn Academy Intermediate 1 238
  239. 239. Graphics Software • Draw – work by creating shape objects • Paint – programs change the colour of pixels • Pixel: small dots that make up a picture March 2009 Nairn Academy Intermediate 1 239
  240. 240. Application Software Task Page 50 March 2009 Nairn Academy Intermediate 1 240
  241. 241. Program Specifications • When purchasing a piece of software you need to consider: • Drives • Backing Storage • Processor Speed • Amount of RAM • Operating System • The hardware must match all the categories otherwise the software will not work March 2009 Nairn Academy Intermediate 1 241
  242. 242. Compatibility Exercise Page 53-58 March 2009 Nairn Academy Intermediate 1 242
  243. 243. Section 3 Software Development Process Unit 3: Computers and The Internet March 2009 Nairn Academy Intermediate 1 243
  244. 244. Software Development Process • Sequence of stages used to develop a piece of software • Should be followed when attempting any computing task • Ex. - Developing a website • 6/7 stages March 2009 Nairn Academy Intermediate 1 244
  245. 245. Software Development Process March 2009 Nairn Academy Intermediate 1 245
  246. 246. Software Development Process • Development process for creation of a website: March 2009 Nairn Academy Intermediate 1 246
  247. 247. Website Development Task Teacher Led (use LTS notes) P62 – 72 March 2009 Nairn Academy Intermediate 1 247
  248. 248. Website Development Task Pupil Task (see Practical NAB booklet) P.73 March 2009 Nairn Academy Intermediate 1 248
  249. 249. Section 4 Connecting to the Internet Unit 3: Computers and The Internet March 2009 Nairn Academy Intermediate 1 249
  250. 250. Connecting to the Internet • 5 requirements: 1) Service Provider 2) Software 3) Hardware 4) Connection 5) Modem March 2009 Nairn Academy Intermediate 1 250
  251. 251. Internet Service Provider (ISP) • Companies which control access to the services of the Internet • AOL, Yahoo, Tiscali, BT, Sky, etc.... • Provide access to the World Wide Web (WWW) • E-mail, IM, connection information March 2009 Nairn Academy Intermediate 1 251
  252. 252. Communications Software • Web Browser e.g. Internet Explorer, Mozilla Firefox • E-mail Client e.g. Outlook, Eudora, etc March 2009 Nairn Academy Intermediate 1 252
  253. 253. Hardware • Communications software will have a minimum specification it needs before it will run • Example: March 2009 Nairn Academy Intermediate 1 253
  254. 254. Connection and Modems • 3 different types: • Dial-up: using a telephone line & standard modem • ADSL Broadband: Using a digital modem and telephone line • Broadband: Using Cable • Satellite: This is another option March 2009 Nairn Academy Intermediate 1 254
  255. 255. Difference between types March 2009 Nairn Academy Intermediate 1 255
  256. 256. Connection and Modems • 3 different types: • Dial-up: using a telephone line & standard modem • ADSL Broadband: Using a digital modem and telephone line • Broadband: Using Cable • Satellite: This is another option March 2009 Nairn Academy Intermediate 1 256
  257. 257. Internet Costs • Hardware Costs: • → Buying or upgrading a computer • → Buying a modem (if required) • → Buying Peripherals (if required) • Software Costs • → Upgrading Operating System (if required) • → Buying browser and e-mail software (if required) • → Buying anti-virus/firewall software March 2009 Nairn Academy Intermediate 1 257
  258. 258. Internet Costs • Installation Costs • → Setting up Internet Access • → Installing or moving phone sockets • → Installing Cable or Satellite equipment (if required) • Training • → Training staff to use new software# March 2009 Nairn Academy Intermediate 1 258
  259. 259. Internet Costs • Running Costs • → ISP Subscription (Pay as you go, Anytime Dial-up, etc) • → Phone Line • → Call Charges • Other Charges • → Maintenance and repairs of equipment • → Technical Support Helplines • → Software Updates • → Hardware Updates March 2009 Nairn Academy Intermediate 1 259
  260. 260. Security Issues • User ID's and Passwords • Virus Checkers and Filters • Firewalls – provide great levels of protection • E-commerce March 2009 Nairn Academy Intermediate 1 260
  261. 261. Internet Questions & Practical Task P.82 March 2009 Nairn Academy Intermediate 1 261
  262. 262. COMPUTERS & THE INTERNET • End of Unit Test • NAB Outcome 1 – Collect Practical evidence • NAB Outcome 2 – Theory Test (Multiple Choice) March 2009 Nairn Academy Intermediate 1 262
  263. 263. Checklist • The following should now be complete: • → Personal Learning Plans up to date • → All NAB's for all units • → All practical evidence to be filed • → Coursework Completed • → Prelim Completed March 2009 Nairn Academy Intermediate 1 263

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