Computer Concepts – Illustrated 8 th  edition Unit A: Computer and Internet Basics
Objectives <ul><li>Define computers </li></ul><ul><li>Explore how computers work </li></ul><ul><li>Categorize computers </...
Objectives (continued) <ul><li>Introduce the Internet and the Web </li></ul><ul><li>Understand email basics </li></ul>Comp...
Defining Computers <ul><li>Computer  </li></ul><ul><ul><li>An electronic device that: </li></ul></ul><ul><ul><ul><li>Accep...
Defining Computers (continued) <ul><li>Computer system includes: </li></ul><ul><ul><li>Hardware </li></ul></ul><ul><ul><ul...
Computer Concepts – Illustrated 8th Edition Figure A-1: A basic computer system
Defining Computers (continued) <ul><li>Input devices: keyboard, mouse, etc. </li></ul><ul><li>Output devices: monitor, pri...
Exploring How Computers Work <ul><li>Turning on a computer </li></ul><ul><ul><li>May need to enter user ID and password </...
Exploring How Computers Work (continued) <ul><li>File: named collection of data that exists on a storage medium </li></ul>...
Computer Concepts – Illustrated 8th Edition Figure A-4: Start button in different versions of Windows
Categorizing Computers <ul><li>Personal computers include: </li></ul><ul><ul><li>Desktop computers </li></ul></ul><ul><ul>...
Computer Concepts – Illustrated 8th Edition Figure A-5: Examples of personal desktop computers
Computer Concepts – Illustrated 8th Edition Figure A-6: Examples of portable personal computers
Categorizing Computers (continued) <ul><li>Workstations </li></ul><ul><ul><li>Powerful desktop computers designed for spec...
Examining Personal Computers <ul><li>Basic parts of a desktop personal computer system </li></ul><ul><ul><li>System unit <...
Examining Personal Computers (continued) <ul><li>Basic parts of a desktop personal computer system (continued) </li></ul><...
Computer Concepts – Illustrated 8th Edition Figure A-9: Typical desktop computer system with examples of peripherals
Examining Personal Computers (continued) <ul><li>Portable computers </li></ul><ul><ul><li>Come with built-in flat-panel mo...
Introducing Software <ul><li>Operating system (OS) </li></ul><ul><ul><li>Master controller for all activities that take pl...
Computer Concepts – Illustrated 8th Edition Figure A-10: Popular operating systems
Introducing Software (continued) <ul><li>Graphical user interface (GUI) </li></ul><ul><ul><li>Displays on-screen graphical...
Computer Concepts – Illustrated 8th Edition Figure A-11: Popular elements of a GUI
Introducing the Internet and the Web <ul><li>Use the Internet to communicate with others </li></ul><ul><ul><li>Electronic ...
Introducing the Internet and the Web (continued) <ul><li>A browser is used to view Web pages </li></ul><ul><li>Web site: a...
Computer Concepts – Illustrated 8th Edition Figure A-14: Viewing a Web page
Computer Concepts – Illustrated 8th Edition Figure A-15: Parts of a URL
Understanding Email Basics <ul><li>Email account </li></ul><ul><ul><li>Need an email provider </li></ul></ul><ul><ul><ul><...
Understanding Email Basics (continued) <ul><li>Email is based on store-and-forward technology </li></ul><ul><li>Email atta...
Computer Concepts – Illustrated 8th Edition Figure A-16: Parts of an email address
Computer Concepts – Illustrated 8th Edition Figure A-17: Parts of an email message
Talking Points: Who Is Reading Your E-Mail? <ul><li>Think of your email as a postcard rather than a letter </li></ul><ul><...
Summary <ul><li>This chapter introduced: </li></ul><ul><ul><li>Computer terms and concepts </li></ul></ul><ul><ul><li>Basi...
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Computer Concepts Unit A PPT Lecture

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Computer Concepts Unit A PPT Lecture

  1. 1. Computer Concepts – Illustrated 8 th  edition Unit A: Computer and Internet Basics
  2. 2. Objectives <ul><li>Define computers </li></ul><ul><li>Explore how computers work </li></ul><ul><li>Categorize computers </li></ul><ul><li>Examine personal computers </li></ul><ul><li>Introduce software </li></ul>Computer Concepts – Illustrated 8th Edition
  3. 3. Objectives (continued) <ul><li>Introduce the Internet and the Web </li></ul><ul><li>Understand email basics </li></ul>Computer Concepts – Illustrated 8th Edition
  4. 4. Defining Computers <ul><li>Computer </li></ul><ul><ul><li>An electronic device that: </li></ul></ul><ul><ul><ul><li>Accepts input </li></ul></ul></ul><ul><ul><ul><li>Processes data </li></ul></ul></ul><ul><ul><ul><li>Stores data </li></ul></ul></ul><ul><ul><ul><li>Produces output </li></ul></ul></ul><ul><ul><li>Uses instructions in stored programs </li></ul></ul><ul><li>Personal computer (PC) </li></ul>Computer Concepts – Illustrated 8th Edition
  5. 5. Defining Computers (continued) <ul><li>Computer system includes: </li></ul><ul><ul><li>Hardware </li></ul></ul><ul><ul><ul><li>Electronic and mechanical parts of the computer </li></ul></ul></ul><ul><ul><li>Peripheral devices </li></ul></ul><ul><ul><ul><li>Hardware that can be added to a computer system to expand what a computer can do </li></ul></ul></ul><ul><ul><li>Software </li></ul></ul><ul><ul><ul><li>Computer program that tells the computer how to perform tasks </li></ul></ul></ul>Computer Concepts – Illustrated 8th Edition
  6. 6. Computer Concepts – Illustrated 8th Edition Figure A-1: A basic computer system
  7. 7. Defining Computers (continued) <ul><li>Input devices: keyboard, mouse, etc. </li></ul><ul><li>Output devices: monitor, printer, speakers, etc. </li></ul><ul><li>Digitization </li></ul><ul><ul><li>Converting text, numbers, sound, photos, and video into data that can be processed by digital devices </li></ul></ul><ul><li>Digital convergence </li></ul><ul><ul><li>Blending several technologies into a single product </li></ul></ul>Computer Concepts – Illustrated 8th Edition
  8. 8. Exploring How Computers Work <ul><li>Turning on a computer </li></ul><ul><ul><li>May need to enter user ID and password </li></ul></ul><ul><li>Computer program, or program </li></ul><ul><ul><li>Instructions that tell a computer how to carry out processing tasks </li></ul></ul><ul><li>Central processing unit (CPU) </li></ul><ul><ul><li>Main processor in a computer </li></ul></ul><ul><li>Memory: temporarily holds data </li></ul><ul><li>Storage: holds data on a permanent basis </li></ul>Computer Concepts – Illustrated 8th Edition
  9. 9. Exploring How Computers Work (continued) <ul><li>File: named collection of data that exists on a storage medium </li></ul><ul><li>Storage medium: hard disk, CD, DVD, flash drive, etc. </li></ul><ul><li>Turning off a computer </li></ul><ul><ul><li>Microsoft Windows computer: use Start button </li></ul></ul><ul><ul><li>Apple Macintosh computer: use Apple icon </li></ul></ul>Computer Concepts – Illustrated 8th Edition
  10. 10. Computer Concepts – Illustrated 8th Edition Figure A-4: Start button in different versions of Windows
  11. 11. Categorizing Computers <ul><li>Personal computers include: </li></ul><ul><ul><li>Desktop computers </li></ul></ul><ul><ul><li>Portable computers </li></ul></ul><ul><ul><ul><li>Notebook computers (sometimes called laptop computers) </li></ul></ul></ul><ul><ul><ul><li>Netbooks </li></ul></ul></ul><ul><ul><ul><li>Tablet computers </li></ul></ul></ul><ul><li>Handheld computer </li></ul><ul><ul><li>A personal digital assistant (PDA) with enhanced features </li></ul></ul>Computer Concepts – Illustrated 8th Edition
  12. 12. Computer Concepts – Illustrated 8th Edition Figure A-5: Examples of personal desktop computers
  13. 13. Computer Concepts – Illustrated 8th Edition Figure A-6: Examples of portable personal computers
  14. 14. Categorizing Computers (continued) <ul><li>Workstations </li></ul><ul><ul><li>Powerful desktop computers designed for specialized tasks </li></ul></ul><ul><li>Mainframe computer </li></ul><ul><ul><li>Large, expensive computer which can process data for thousands of users </li></ul></ul><ul><li>Supercomputer </li></ul><ul><li>The term server has several meanings </li></ul><ul><ul><li>Can refer to hardware, software, or a combination of hardware and software </li></ul></ul>Computer Concepts – Illustrated 8th Edition
  15. 15. Examining Personal Computers <ul><li>Basic parts of a desktop personal computer system </li></ul><ul><ul><li>System unit </li></ul></ul><ul><ul><li>Display device: monitor </li></ul></ul><ul><ul><li>Keyboard </li></ul></ul><ul><ul><li>Mouse </li></ul></ul><ul><ul><li>Storage devices </li></ul></ul><ul><ul><ul><li>Hard disk drive </li></ul></ul></ul><ul><ul><ul><li>USB flash drive </li></ul></ul></ul><ul><ul><ul><li>Optical drives </li></ul></ul></ul>Computer Concepts – Illustrated 8th Edition
  16. 16. Examining Personal Computers (continued) <ul><li>Basic parts of a desktop personal computer system (continued) </li></ul><ul><ul><li>Sound system </li></ul></ul><ul><ul><li>Printer </li></ul></ul><ul><ul><li>Network and Internet access </li></ul></ul><ul><ul><ul><li>Modem </li></ul></ul></ul><ul><ul><li>Web cam </li></ul></ul>Computer Concepts – Illustrated 8th Edition
  17. 17. Computer Concepts – Illustrated 8th Edition Figure A-9: Typical desktop computer system with examples of peripherals
  18. 18. Examining Personal Computers (continued) <ul><li>Portable computers </li></ul><ul><ul><li>Come with built-in flat-panel monitor, keyboard, and speakers </li></ul></ul><ul><ul><li>Other devices can be connected </li></ul></ul><ul><li>Computer network </li></ul><ul><ul><li>Two or more computers and other devices connected for sharing data and programs </li></ul></ul><ul><ul><li>LAN (local area network) </li></ul></ul><ul><li>Internet: the largest network in the world </li></ul>Computer Concepts – Illustrated 8th Edition
  19. 19. Introducing Software <ul><li>Operating system (OS) </li></ul><ul><ul><li>Master controller for all activities that take place within a computer system </li></ul></ul><ul><ul><li>Classified as system software </li></ul></ul><ul><li>Computer platform </li></ul><ul><ul><li>PC platform (also called Windows platform) </li></ul></ul><ul><ul><ul><li>Windows operating system </li></ul></ul></ul><ul><ul><li>Mac platform </li></ul></ul><ul><ul><ul><li>Macintosh OS </li></ul></ul></ul><ul><ul><li>Linux OS </li></ul></ul>Computer Concepts – Illustrated 8th Edition
  20. 20. Computer Concepts – Illustrated 8th Edition Figure A-10: Popular operating systems
  21. 21. Introducing Software (continued) <ul><li>Graphical user interface (GUI) </li></ul><ul><ul><li>Displays on-screen graphical controls </li></ul></ul><ul><li>Application software </li></ul><ul><ul><li>Computer programs that help you use the computer to carry out tasks </li></ul></ul><ul><ul><li>Examples: Adobe Reader, Microsoft Word, or Corel Paint Shop Pro Photo X2 </li></ul></ul><ul><li>Sharing files depends on system compatibility </li></ul>Computer Concepts – Illustrated 8th Edition
  22. 22. Computer Concepts – Illustrated 8th Edition Figure A-11: Popular elements of a GUI
  23. 23. Introducing the Internet and the Web <ul><li>Use the Internet to communicate with others </li></ul><ul><ul><li>Electronic mail (also called email) </li></ul></ul><ul><ul><li>Chat group </li></ul></ul><ul><ul><li>Instant messaging (IM) </li></ul></ul><ul><ul><li>Internet telephony </li></ul></ul><ul><ul><ul><li>Also called Voice Over IP (VoIP) </li></ul></ul></ul><ul><ul><li>Blog </li></ul></ul><ul><li>Web (short for World Wide Web) </li></ul><ul><ul><li>Collection of Web pages, interconnected through the use of hypertext or links </li></ul></ul>Computer Concepts – Illustrated 8th Edition
  24. 24. Introducing the Internet and the Web (continued) <ul><li>A browser is used to view Web pages </li></ul><ul><li>Web site: a group of Web pages </li></ul><ul><ul><li>Home page </li></ul></ul><ul><li>Search site: to find information on the Web </li></ul><ul><ul><li>Search engine </li></ul></ul><ul><li>URL (Uniform Resource Locator) </li></ul><ul><ul><li>Every Web page has a unique address </li></ul></ul><ul><li>HTTP (Hypertext Transfer Protocol) </li></ul><ul><ul><li>Communications standard used to transport Web pages over the Internet </li></ul></ul>Computer Concepts – Illustrated 8th Edition
  25. 25. Computer Concepts – Illustrated 8th Edition Figure A-14: Viewing a Web page
  26. 26. Computer Concepts – Illustrated 8th Edition Figure A-15: Parts of a URL
  27. 27. Understanding Email Basics <ul><li>Email account </li></ul><ul><ul><li>Need an email provider </li></ul></ul><ul><ul><ul><li>Such as Internet service provider, university, Gmail, Hotmail, etc. </li></ul></ul></ul><ul><ul><li>Email address </li></ul></ul><ul><li>An email message has several parts </li></ul><ul><ul><li>Recipient’s email address </li></ul></ul><ul><ul><li>Address of additional recipients </li></ul></ul><ul><ul><li>Message subject and body </li></ul></ul><ul><ul><li>File attachments </li></ul></ul>Computer Concepts – Illustrated 8th Edition
  28. 28. Understanding Email Basics (continued) <ul><li>Email is based on store-and-forward technology </li></ul><ul><li>Email attachment </li></ul><ul><ul><li>Any file that travels with an email message </li></ul></ul><ul><li>Netiquette (Internet etiquette) </li></ul><ul><ul><li>Guidelines for maintaining civilized, effective communications online and in emails </li></ul></ul><ul><li>Emoticons </li></ul><ul><ul><li>Symbols that can be added to a message to help convey an emotion </li></ul></ul>Computer Concepts – Illustrated 8th Edition
  29. 29. Computer Concepts – Illustrated 8th Edition Figure A-16: Parts of an email address
  30. 30. Computer Concepts – Illustrated 8th Edition Figure A-17: Parts of an email message
  31. 31. Talking Points: Who Is Reading Your E-Mail? <ul><li>Think of your email as a postcard rather than a letter </li></ul><ul><ul><li>FBI has e-mail scanning technology </li></ul></ul><ul><ul><li>Many U.S. businesses monitor employee email </li></ul></ul><ul><ul><li>Your email may be forwarded to others </li></ul></ul><ul><ul><li>E-mail providers store backups of your email and can gather data from them </li></ul></ul><ul><ul><li>Court decisions seem to state that email messages on an organization’s system are the property of the organization </li></ul></ul>Computer Concepts – Illustrated 8th Edition
  32. 32. Summary <ul><li>This chapter introduced: </li></ul><ul><ul><li>Computer terms and concepts </li></ul></ul><ul><ul><li>Basic parts of a computer system </li></ul></ul><ul><ul><li>Different kinds of personal computers </li></ul></ul><ul><ul><li>Various types of software </li></ul></ul><ul><ul><li>The Internet, the World Wide Web, and e-mail </li></ul></ul><ul><ul><li>Ways to preserve your privacy when using e-mail </li></ul></ul>Computer Concepts – Illustrated 8th Edition
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