What a teacher  needs to know about Computers
<ul><li>A  computer  is a machine for manipulating data according to a list of instructions known as a program. </li></ul>...
<ul><li>Computer  is also a machine that stores, changes and displays information in varied ways. </li></ul><ul><li>It is ...
<ul><li>Computers perform: </li></ul><ul><li>Sophisticated scientific calculations </li></ul><ul><li>Calculating forecasts...
<ul><li>Internet browsing </li></ul><ul><li>Internet faxing </li></ul><ul><li>E-mail and other digital messaging </li></ul...
<ul><li>A  computer  is basically compound of: </li></ul><ul><li>Monitor  </li></ul><ul><li>CPU </li></ul><ul><li>Keyboard...
<ul><li>A  computer  monitor is a device that can display signals generated by a computer as images on a screen. </li></ul...
<ul><li>A  central processing unit  (CPU), or simply processor, is the component in a digital computer that interprets ins...
<ul><li>A computer  keyboard  is a peripheral modeled after the typewriter keyboard. Keyboards are designed for the input ...
<ul><li>a  mouse   consists of a hand-held pointing device, designed to sit under one hand of the user and to detect movem...
<ul><li>A  floppy disk,  a data storage device, is composed of a disk of thin, flexible magnetic storage medium encased in...
<ul><li>The  compact disc  has been adapted to hold any form of binary data. </li></ul><ul><li>CD-ROM s are used to distri...
<ul><li>A  hard disk  is a permanent digitally encoded data storage device that stores data on the magnetic surfaces of ha...
<ul><li>Random-access memory  refers to data storage formats that allow the stored data to be accessed in any order, that ...
Connectors and Ports
 
 
 
 
 
 
 
 
 
 
 
Using the Keyboard
<ul><li>Computer  keyboards  are an arrangement of keys. In most cases, each press of a key corresponds to a single writte...
<ul><li>The Numeric Keypad </li></ul><ul><li>It’s located on the right and contains numbers from 0 to 9 and mathematical o...
<ul><li>Function keys  are located in the upper part and are named from  F1 …to  F12 . </li></ul><ul><li>A function key is...
<ul><li>The  alphanumeric section , located at the right of the keyboard, includes the alphabet, numbers and symbols keys....
<ul><li>The  Esc key  located in the top-left corner, was designed often to mean Stop.  </li></ul><ul><li>This use continu...
<ul><li>The  Enter Key  allows to accept options. It also enables to move the cursor to the next line or paragraph. </li><...
<ul><li>Pressing the  caps lock  will set the keyboard mode to a way in which typed letters are capitalized by default. </...
<ul><li>The  shift key  is a key used to type capital letters and other alternate upper characters. There are two shift ke...
<ul><li>Arrow keys  move the cursor in a specified direction. They are typically located at the bottom to the side of the ...
<ul><li>The  tab key  is used to indent text to a preset horizontal position. </li></ul>
<ul><li>The  Alt key , located at the left side of the Space bar, is used to change the function of other pressed keys.  <...
Using the Alt key to get letters and symbols Ñ Alt+165 ñ Alt+164 ^ (circumflex) Alt+94  (backslash) Alt+92 @ (commercial a...
<ul><li>When a key has a third symbol on it, the  AltGr  key is used in combination with that key to type that symbol. </l...
<ul><li>Space bar  is the key on an alphanumeric keyboard located in the lowermost row, wider than other keys. Its purpose...
<ul><li>The  Control  key, pressed in conjunction with another key, performs a special operation.  </li></ul><ul><li>There...
Shortcuts using the control key(1) Close window or tab Ctrl+W Paste Ctrl+V Underline Ctrl+U Save Ctrl+S Print Ctrl+P Open ...
Shortcuts using the control key (2) Next word Ctrl+ Right-Arrow Previous word Ctrl+ Left-Arrow Next window or tab Ctrl+Tab...
<ul><li>The  backspace  key used to push the typewriter carriage one position backwards. </li></ul><ul><li>It moves the cu...
<ul><li>The  delete  key, during normal text editing, discards the character at the cursor's position, moving all followin...
Computer hardware
<ul><li>Hardware  is the physical part of a computer. </li></ul><ul><li>Software  refers to the programs used in a compute...
A PC consists of a case and the following parts: <ul><li>Motherboard </li></ul><ul><li>Central processing unit (CPU) </li>...
<ul><li>Video display controllers  </li></ul><ul><li>Computer bus controllers (parallel, serial, USB, FireWire) </li></ul>...
<ul><li>A computer is built with the microprocessor, main memory, and other basic components on the  motherboard .  </li><...
Computer Peripherals
<ul><li>A  printer  produces copies of documents stored in the computer on paper or transparencies.  </li></ul><ul><li>Pri...
<ul><li>Modern printers may extract data directly from electronic devices such as memory sticks, memory cards, flash memor...
<ul><li>Image  scanner , a general-purpose device which digitizes a two-dimensional image. </li></ul>
Photo printer Digital Camera Video Camera Infocus Projector Other common peripherals
Software
<ul><li>Computer programs  consist of a list of instructions that tell the computer what to do. </li></ul><ul><li>Computer...
<ul><li>Operating system  is a software program that manages both hardware and software. </li></ul><ul><li>The  OS  perfor...
Mac Operating System
Windows Operating System
Linux Operating System
<ul><li>Application software  is a computer software that uses the capabilities of a computer to a task the user wishes to...
<ul><li>Multiple applications come together as a package, sometimes referred to as an application suite. </li></ul><ul><li...
Application Software
Multi-Purpose Software
Managing Audio and Video Software
<ul><li>In order to play sound and pictures, the computer must contain special hardware and software that supports audio a...
<ul><li>To run certain programs, we have to install some  plug-in s. </li></ul><ul><li>A plug-in is a program added to a w...
Media Players <ul><li>A media player is a sort of “virtual” playback machine, complete with Play, Stop, Pause, Fast Forwar...
<ul><li>This is the  windows media player  that comes with the Windows XP program. </li></ul><ul><li>You can play most sou...
<ul><li>The  QuickTime player  is very useful when displaying .mov files. </li></ul>
<ul><li>Some programs in the Web require the  realPlayer  to display video. </li></ul>
<ul><li>WINAMP  is a very popular player for listening to audio files as well as for watching movies. </li></ul>
<ul><li>Flash player  is another standard for multimedia and Web applications. </li></ul>
Managing Multimedia Files
Pictures
<ul><li>Files have a name and an extension. </li></ul><ul><li>The extension refers to the kind of file. </li></ul><ul><li>...
<ul><li>The  JPEG/JPG ( Joint Photographic Expert Group  )  format uses a palette of millions of colors and is primarily i...
<ul><li>The   GIF  ( Graphic Interchange Format) is commonly used for storing simple graphics on the World Wide Web, e.g. ...
<ul><li>The   BMP  (Bitmap format) is the standard format used by Windows Paint. Images stored in this format tend to be r...
<ul><li>Adobe Illustrator is a vector-based drawing program used for creating and designing of artwork such as logos, illu...
<ul><li>Photoshop  is a professional image-editing and graphics creation software from Adobe. It provides a large library ...
Sounds
<ul><li>Sound editing packages allow you to save files in different formats and to convert from one format to another. Som...
<ul><li>CODEC  stands for compressor/decompressor, a technology for compressing and decompressing data. </li></ul><ul><li>...
Videos soccer.avi
<ul><li>Video editing packages let us save images in different formats and to convert from one format to another. The most...
<ul><li>WMV  (Windows Media File) is also in common use and is quite economical on space.  </li></ul><ul><li>Mov   is Appl...
<ul><li>ASF  ( Advanced Streaming Format) is a file format that stores both audio and video and is specially designed for ...
Animations
<ul><li>A collection of static images joined together and shown consecutively so that they appear to move. </li></ul>What ...
<ul><li>Macromedia Flash  is a powerful graphics animation program, that uses  vector  and  bitmap  graphics as well as so...
<ul><li>Vector  graphics is a type of image that can be resized without distortion. </li></ul><ul><li>Bitmaps  are made up...
<ul><li>.FLA  is a Macromedia Flash source document.  </li></ul><ul><li>When a Macromedia Flash MX  .FLA  file is publishe...
<ul><li>Image files are made up of either pixel or vector data. </li></ul><ul><li>Image file sizes, expressed in bytes, in...
Beach.jpg Dimensions 200x139 Size 5.21 KB Hawai.jpg Dimensions: 482x322 Size: 134 KB
Web Browsers
<ul><li>A  web browser  is a software application that enables a user to display and interact with text, images, and other...
<ul><li>Text and images on a web page can contain  hyperlinks  to other web pages at the same or different websites.  </li...
<ul><li>HTML  stands for Hypertext Markup Language, and is the software language used on the Internet's World Wide Web. </...
<ul><li>Safari  is a web browser developed by Apple Computer, Inc. and is available as part of Mac OS X. </li></ul>
<ul><li>Mozilla Firefox  is a free, open source, cross-platform, graphical web browser developed by the Mozilla Corporatio...
<ul><li>Netscape  is  another well known web browser.  </li></ul>
<ul><li>Internet Explorer   is a web browser made by Microsoft and included as part of the Microsoft Windows line of opera...
Search Engines
<ul><li>A  search engine  is a program designed to help find information stored on a computer system such as the World Wid...
<ul><li>Google search  is the world's most popular search engine. </li></ul>
<ul><li>In case, we search for images, we can use specific search parameters as shown. </li></ul>
<ul><li>Google gives us immediately the images we requested. </li></ul>
<ul><li>Whether you make business decisions where location is a critical factor, or simply love to explore, Google Earth t...
<ul><li>Quickly zoom from space down to street level and combine imagery, 3D geography, maps, and business data to get the...
<ul><li>There are other important Internet search engines such as: </li></ul><ul><li>MSN Search  which has being updated a...
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What a teacher needs to know about computers

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This is a short briefing, in case you need get involved with computers for the first time, so you don't get lost.

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What a teacher needs to know about computers

  1. 1. What a teacher needs to know about Computers
  2. 2. <ul><li>A computer is a machine for manipulating data according to a list of instructions known as a program. </li></ul><ul><li>A Microcomputer or PC is worldwide used for research, work or fun. </li></ul>
  3. 3. <ul><li>Computer is also a machine that stores, changes and displays information in varied ways. </li></ul><ul><li>It is made out of hardware and software. </li></ul><ul><li>Hardware and software process the information. </li></ul>
  4. 4. <ul><li>Computers perform: </li></ul><ul><li>Sophisticated scientific calculations </li></ul><ul><li>Calculating forecasts </li></ul><ul><li>Digitize and processing images </li></ul><ul><li>Simulation processes </li></ul><ul><li>Word processing </li></ul>
  5. 5. <ul><li>Internet browsing </li></ul><ul><li>Internet faxing </li></ul><ul><li>E-mail and other digital messaging </li></ul><ul><li>Multimedia playback </li></ul><ul><li>Video game play </li></ul><ul><li>Computer programming </li></ul>
  6. 6. <ul><li>A computer is basically compound of: </li></ul><ul><li>Monitor </li></ul><ul><li>CPU </li></ul><ul><li>Keyboard </li></ul><ul><li>Mouse </li></ul>
  7. 7. <ul><li>A computer monitor is a device that can display signals generated by a computer as images on a screen. </li></ul><ul><li>A monitor displays also the output information. </li></ul>
  8. 8. <ul><li>A central processing unit (CPU), or simply processor, is the component in a digital computer that interprets instructions and processes data contained in computer programs. </li></ul>
  9. 9. <ul><li>A computer keyboard is a peripheral modeled after the typewriter keyboard. Keyboards are designed for the input of text and characters, and also to control the operation of a computer. </li></ul>
  10. 10. <ul><li>a mouse consists of a hand-held pointing device, designed to sit under one hand of the user and to detect movement relative to its two-dimensional supporting surface. </li></ul>
  11. 11. <ul><li>A floppy disk, a data storage device, is composed of a disk of thin, flexible magnetic storage medium encased in a square plastic shell. </li></ul><ul><li>Floppy disks are read and written by a floppy disk drive. </li></ul>
  12. 12. <ul><li>The compact disc has been adapted to hold any form of binary data. </li></ul><ul><li>CD-ROM s are used to distribute computer software, including games and multimedia applications. </li></ul>
  13. 13. <ul><li>A hard disk is a permanent digitally encoded data storage device that stores data on the magnetic surfaces of hard disk platters. </li></ul>
  14. 14. <ul><li>Random-access memory refers to data storage formats that allow the stored data to be accessed in any order, that is, at random, not just in sequence. </li></ul>
  15. 15. Connectors and Ports
  16. 27. Using the Keyboard
  17. 28. <ul><li>Computer keyboards are an arrangement of keys. In most cases, each press of a key corresponds to a single written symbol. </li></ul><ul><li>Some symbols require pressing and holding several keys simultaneously, or in sequence; others do not produce any symbol, but instead affect the operation of the computer, or the keyboard itself. </li></ul>
  18. 29. <ul><li>The Numeric Keypad </li></ul><ul><li>It’s located on the right and contains numbers from 0 to 9 and mathematical operators. </li></ul><ul><li>It’s activated pressing the key Num lock . </li></ul>
  19. 30. <ul><li>Function keys are located in the upper part and are named from F1 …to F12 . </li></ul><ul><li>A function key is a key which can be programmed to perform certain actions. </li></ul><ul><li>In Microsoft Office programs running in Windows, F1 is the key for Help in the Help menu. </li></ul>
  20. 31. <ul><li>The alphanumeric section , located at the right of the keyboard, includes the alphabet, numbers and symbols keys. </li></ul>
  21. 32. <ul><li>The Esc key located in the top-left corner, was designed often to mean Stop. </li></ul><ul><li>This use continues today in Microsoft Windows's use of escape as a shortcut for No, Quit, Exit, Cancel, or Abort. </li></ul>
  22. 33. <ul><li>The Enter Key allows to accept options. It also enables to move the cursor to the next line or paragraph. </li></ul>
  23. 34. <ul><li>Pressing the caps lock will set the keyboard mode to a way in which typed letters are capitalized by default. </li></ul><ul><li>The keyboard remains in this mode until caps lock is pressed again. </li></ul>
  24. 35. <ul><li>The shift key is a key used to type capital letters and other alternate upper characters. There are two shift keys. </li></ul><ul><li>On an English keyboard, characters that require the use of the shift key are the parentheses, the question mark, the exclamation point, and the colon. </li></ul>
  25. 36. <ul><li>Arrow keys move the cursor in a specified direction. They are typically located at the bottom to the side of the numeric keypad. </li></ul><ul><li>Arrow keys are commonly used for navigating around documents and for playing games. </li></ul>
  26. 37. <ul><li>The tab key is used to indent text to a preset horizontal position. </li></ul>
  27. 38. <ul><li>The Alt key , located at the left side of the Space bar, is used to change the function of other pressed keys. </li></ul><ul><li>The Alt key is known as part of the Control+Alt+Delete key combination, which in some Operative Systems opens the task manager for aborting an unresponsive application or simply viewing the applications running. </li></ul>
  28. 39. Using the Alt key to get letters and symbols Ñ Alt+165 ñ Alt+164 ^ (circumflex) Alt+94 (backslash) Alt+92 @ (commercial at) Alt+64 / (slash) Alt+47 * (asterisk) Alt+42 & (ampersand) Alt+38 # (number sign) Alt+35 ♣ (clover) Alt+5 ♦ (diamond) Alt+4 ♥ (heart) Alt+3 ☺ (happy face) Alt+1
  29. 40. <ul><li>When a key has a third symbol on it, the AltGr key is used in combination with that key to type that symbol. </li></ul>
  30. 41. <ul><li>Space bar is the key on an alphanumeric keyboard located in the lowermost row, wider than other keys. Its purpose is to enter the space. </li></ul>
  31. 42. <ul><li>The Control key, pressed in conjunction with another key, performs a special operation. </li></ul><ul><li>There are two control keys located on the bottom right and left side of the keyboard. </li></ul>
  32. 43. Shortcuts using the control key(1) Close window or tab Ctrl+W Paste Ctrl+V Underline Ctrl+U Save Ctrl+S Print Ctrl+P Open Ctrl+O New (window, document, etc.) Ctrl+N Italic Ctrl+I Find (usually a small piece of text in a larger document) Ctrl+F Copy Ctrl+C Bold Ctrl+B Select all Ctrl+A
  33. 44. Shortcuts using the control key (2) Next word Ctrl+ Right-Arrow Previous word Ctrl+ Left-Arrow Next window or tab Ctrl+Tab Previous tab Ctrl+PgUp Next tab Ctrl+PgDn Paste Ctrl+Ins Top (start of document or window) Ctrl+Home Bottom (end of document or window) Ctrl+End Cut Ctrl+Del Undo Ctrl+Z Redo Ctrl+Y Cut Ctrl+X
  34. 45. <ul><li>The backspace key used to push the typewriter carriage one position backwards. </li></ul><ul><li>It moves the cursor one position backwards and deletes the preceding character no matter what the character is. </li></ul>
  35. 46. <ul><li>The delete key, during normal text editing, discards the character at the cursor's position, moving all following characters one position backwards to the freed place. </li></ul>
  36. 47. Computer hardware
  37. 48. <ul><li>Hardware is the physical part of a computer. </li></ul><ul><li>Software refers to the programs used in a computer. </li></ul>
  38. 49. A PC consists of a case and the following parts: <ul><li>Motherboard </li></ul><ul><li>Central processing unit (CPU) </li></ul><ul><li>Random Access Memory (RAM) </li></ul><ul><li>Basic Input-Output System (BIOS) </li></ul><ul><li>Buses </li></ul><ul><li>Power supply </li></ul><ul><li>Storage controllers </li></ul>Case
  39. 50. <ul><li>Video display controllers </li></ul><ul><li>Computer bus controllers (parallel, serial, USB, FireWire) </li></ul><ul><li>Removable media writer such as: CD-ROM Drive, CD Writer, DVD-ROM Drive, DVD Writer, DVD-RAM Drive , Floppy disk, USB Flash Drive. </li></ul>Flash memory
  40. 51. <ul><li>A computer is built with the microprocessor, main memory, and other basic components on the motherboard . </li></ul><ul><li>Computer components are typically attached to the motherboard via ribbon cables, other cables, and power connectors. </li></ul>Motherboard
  41. 52. Computer Peripherals
  42. 53. <ul><li>A printer produces copies of documents stored in the computer on paper or transparencies. </li></ul><ul><li>Printers are used as computer peripherals. </li></ul>
  43. 54. <ul><li>Modern printers may extract data directly from electronic devices such as memory sticks, memory cards, flash memory, cameras, scanners. </li></ul><ul><li>Multifunction printers can perform as scanners, fax machines and a photocopiers all in a single unit. </li></ul>Memory Stick
  44. 55. <ul><li>Image scanner , a general-purpose device which digitizes a two-dimensional image. </li></ul>
  45. 56. Photo printer Digital Camera Video Camera Infocus Projector Other common peripherals
  46. 57. Software
  47. 58. <ul><li>Computer programs consist of a list of instructions that tell the computer what to do. </li></ul><ul><li>Computer programs refer to a collection of source code and libraries compiled into an executable file which can perform both automatic and interactive tasks with data. </li></ul>
  48. 59. <ul><li>Operating system is a software program that manages both hardware and software. </li></ul><ul><li>The OS performs basic tasks, such as controlling and allocating memory, prioritizing the processing of instructions, controlling input and output devices, facilitating networking, and managing files. </li></ul>
  49. 60. Mac Operating System
  50. 61. Windows Operating System
  51. 62. Linux Operating System
  52. 63. <ul><li>Application software is a computer software that uses the capabilities of a computer to a task the user wishes to perform. </li></ul><ul><li>Typical examples of software applications are word processors, spreadsheets, and media players. </li></ul>
  53. 64. <ul><li>Multiple applications come together as a package, sometimes referred to as an application suite. </li></ul><ul><li>Microsoft Office , which comes with a word processor, a spreadsheet, and several other discrete applications, is a typical example. </li></ul>
  54. 65. Application Software
  55. 66. Multi-Purpose Software
  56. 67. Managing Audio and Video Software
  57. 68. <ul><li>In order to play sound and pictures, the computer must contain special hardware and software that supports audio and video. </li></ul><ul><li>The hardware necessary to play sound and images includes audio cards, video cards, and speakers. </li></ul>
  58. 69. <ul><li>To run certain programs, we have to install some plug-in s. </li></ul><ul><li>A plug-in is a program added to a web browser in order to add multimedia capabilities. e.g. Flash plug-in, Java plug-in. </li></ul><ul><li>These programs are all available as free downloads from the Internet. </li></ul>
  59. 70. Media Players <ul><li>A media player is a sort of “virtual” playback machine, complete with Play, Stop, Pause, Fast Forward, Fast Reverse and Volume Control buttons. </li></ul><ul><li>A Media Player also acts as a plug-in when an audio or video clip is downloaded from the World Wide Web. </li></ul>
  60. 71. <ul><li>This is the windows media player that comes with the Windows XP program. </li></ul><ul><li>You can play most sound and video files. </li></ul>
  61. 72. <ul><li>The QuickTime player is very useful when displaying .mov files. </li></ul>
  62. 73. <ul><li>Some programs in the Web require the realPlayer to display video. </li></ul>
  63. 74. <ul><li>WINAMP is a very popular player for listening to audio files as well as for watching movies. </li></ul>
  64. 75. <ul><li>Flash player is another standard for multimedia and Web applications. </li></ul>
  65. 76. Managing Multimedia Files
  66. 77. Pictures
  67. 78. <ul><li>Files have a name and an extension. </li></ul><ul><li>The extension refers to the kind of file. </li></ul><ul><li>Letter1.doc stands for a Word file. </li></ul><ul><li>Book1.xls means an Excel file and so on. </li></ul>Naming Files
  68. 79. <ul><li>The JPEG/JPG ( Joint Photographic Expert Group ) format uses a palette of millions of colors and is primarily intended for storing photographic images. </li></ul>Picture.jpg
  69. 80. <ul><li>The GIF ( Graphic Interchange Format) is commonly used for storing simple graphics on the World Wide Web, e.g. line drawings and maps. </li></ul><ul><li>GIF files are frequently used for logos, line drawings, icons, etc, i.e. images that don't contain a rich range of colors.. </li></ul>cheetah.gif spinning.gif swirl.gif
  70. 81. <ul><li>The BMP (Bitmap format) is the standard format used by Windows Paint. Images stored in this format tend to be rather large. </li></ul><ul><li>The TIFF or TIF (Tag Image File Format) gives high-quality images but they are huge. </li></ul>Other Formats
  71. 82. <ul><li>Adobe Illustrator is a vector-based drawing program used for creating and designing of artwork such as logos, illustrations, etc. </li></ul><ul><li>Illustrator files are named .ai </li></ul>
  72. 83. <ul><li>Photoshop is a professional image-editing and graphics creation software from Adobe. It provides a large library of effects, filters and layers. </li></ul><ul><li>Photoshop files are named .PSD </li></ul>
  73. 84. Sounds
  74. 85. <ul><li>Sound editing packages allow you to save files in different formats and to convert from one format to another. Some common audio file formats are: </li></ul><ul><li>WAV is an audio file format. WAV files can be played in any Windows sound application. </li></ul><ul><li>MP3 , an acronym for MPEG-1 Audio Layer-3, is a new standard for audio compression. It has become a popular way to distribute CD quality music on the Internet. </li></ul>
  75. 86. <ul><li>CODEC stands for compressor/decompressor, a technology for compressing and decompressing data. </li></ul><ul><li>CODECs are used to make large files much smaller, thereby making them easier for distribution. </li></ul><ul><li>To play certain audio files you need to have installed the proper CODECs, if not, you have to download and install the correct ones. </li></ul>CODECs
  76. 87. Videos soccer.avi
  77. 88. <ul><li>Video editing packages let us save images in different formats and to convert from one format to another. The most common formats are: </li></ul><ul><li>AVI (Audio Video Interleave) format. </li></ul><ul><li>MPG / MPEG (Motion Picture Expert Group) is the most common format for storing video, especially on the World Wide Web, economical in terms of storage space. </li></ul>
  78. 89. <ul><li>WMV (Windows Media File) is also in common use and is quite economical on space. </li></ul><ul><li>Mov is Apple QuickTime Movie file format. A .mov file can be used to store both movies and sounds. </li></ul><ul><li>There are several different versions of QuickTime files in use, and not all players will play all versions. </li></ul>
  79. 90. <ul><li>ASF ( Advanced Streaming Format) is a file format that stores both audio and video and is specially designed for the Internet. </li></ul><ul><li>ASF allows content to be delivered as a continuous flow of data with little wait time before playback begins. </li></ul><ul><li>This means that we don’t have to wait for audio and video files to fully download before starting to view them. </li></ul>
  80. 91. Animations
  81. 92. <ul><li>A collection of static images joined together and shown consecutively so that they appear to move. </li></ul>What is an animation?
  82. 93. <ul><li>Macromedia Flash is a powerful graphics animation program, that uses vector and bitmap graphics as well as sound and video and is used for complex websites. </li></ul>
  83. 94. <ul><li>Vector graphics is a type of image that can be resized without distortion. </li></ul><ul><li>Bitmaps are made up of single pixels, which taken together make up a complete image. However, the image can lose quality when enlarged. </li></ul>
  84. 95. <ul><li>.FLA is a Macromedia Flash source document. </li></ul><ul><li>When a Macromedia Flash MX .FLA file is published for the Web, it takes on the .SWF extension. </li></ul>
  85. 96. <ul><li>Image files are made up of either pixel or vector data. </li></ul><ul><li>Image file sizes, expressed in bytes, increase with the number of pixels in the image, and the color depth of the pixels. </li></ul><ul><li>Images intended to be downloaded from the internet should be low in size and resolution. </li></ul>Image File Size
  86. 97. Beach.jpg Dimensions 200x139 Size 5.21 KB Hawai.jpg Dimensions: 482x322 Size: 134 KB
  87. 98. Web Browsers
  88. 99. <ul><li>A web browser is a software application that enables a user to display and interact with text, images, and other information typically located on a web page at a website on the World Wide Web or a local area network. </li></ul>
  89. 100. <ul><li>Text and images on a web page can contain hyperlinks to other web pages at the same or different websites. </li></ul><ul><li>Web browsers allow a user to quickly and easily access information provided on many web pages at many websites by navigating over these links. </li></ul>
  90. 101. <ul><li>HTML stands for Hypertext Markup Language, and is the software language used on the Internet's World Wide Web. </li></ul><ul><li>.htm/.html is a Web page extension file. </li></ul><ul><li>Web site is a collection of connected web pages stored on a web server. </li></ul><ul><li>A server is a computer that manages and shares web based applications accessible anytime from any computer connected to the Internet. </li></ul>
  91. 102. <ul><li>Safari is a web browser developed by Apple Computer, Inc. and is available as part of Mac OS X. </li></ul>
  92. 103. <ul><li>Mozilla Firefox is a free, open source, cross-platform, graphical web browser developed by the Mozilla Corporation and hundreds of volunteers. </li></ul>
  93. 104. <ul><li>Netscape is another well known web browser. </li></ul>
  94. 105. <ul><li>Internet Explorer is a web browser made by Microsoft and included as part of the Microsoft Windows line of operating systems. </li></ul>
  95. 106. Search Engines
  96. 107. <ul><li>A search engine is a program designed to help find information stored on a computer system such as the World Wide Web, inside a corporate or proprietary network or a personal computer. </li></ul>
  97. 108. <ul><li>Google search is the world's most popular search engine. </li></ul>
  98. 109. <ul><li>In case, we search for images, we can use specific search parameters as shown. </li></ul>
  99. 110. <ul><li>Google gives us immediately the images we requested. </li></ul>
  100. 111. <ul><li>Whether you make business decisions where location is a critical factor, or simply love to explore, Google Earth takes you there. </li></ul>
  101. 112. <ul><li>Quickly zoom from space down to street level and combine imagery, 3D geography, maps, and business data to get the total picture in seconds. </li></ul>
  102. 113. <ul><li>There are other important Internet search engines such as: </li></ul><ul><li>MSN Search which has being updated and renamed as Windows Live Search. </li></ul><ul><li>Yahoo! Search is a web search engine, owned by Yahoo!. </li></ul><ul><li>Ask.com , formerly Ask Jeeves, is an Internet search engine. </li></ul>
  103. 114. Thank you
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