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1. CHAPTER. INFORMATION TECHNOLOGY, THE INTERNET, AND YOU. Competencies . Explain the five parts of an information system Distinguish between application and system software Distinguish between special purpose and general purpose application software

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  1. 1 CHAPTER INFORMATION TECHNOLOGY, THE INTERNET, AND YOU

  2. Competencies • Explain the five parts of an information system • Distinguish between application and system software • Distinguish between special purpose and general purpose application software • Identify the types of computers and microcomputers • Describe the different types of hardware

  3. Competencies cont. • Define data and describe files • Explain connectivity and the wireless revolution • Describe the Internet and the Web

  4. People Procedures Software Hardware Data Five Parts of an Information System

  5. People • Most important part of any system • Contact is … • Direct • Indirect • Computer uses • Business & Entertainment • Education & Medicine

  6. Software • Programs • Instructions • Two major kinds of software • System Software • Application Software

  7. System Software • A collection of programs • Enables the application software to interact with the hardware • Background software that helps the computer manage its own resources

  8. Application Software • “End-user” software • Two major categories • General purpose • Special purpose

  9. Hardware • Equipment that processes the data • Controlled by software • Physical devices • Keyboard • Mouse • Monitor • Other devices

  10. Types of Computers • Supercomputers • Mainframe computers • Minicomputers • Microcomputers

  11. Supercomputers • High capacity • Used by large organizations • Tracking space • Tracking weather

  12. Mainframe Computers • Occupies specially wired, air-conditioned rooms • Capable of great processing speeds and data storage • Not as powerful as supercomputers

  13. Minicomputers • Known as midrange computers • Medium-size companies • Used by departments of large companies

  14. Microcomputers • Least powerful • Widely used • Four types • Desktop • Notebook or laptop • Tablet PC • Handheld

  15. Microcomputer Hardware • System unit • Input/output devices • Secondary storage • Communications

  16. Data • Raw, unprocessed facts • Processing creates information • Stored electronically in files • Document files • Worksheet files • Database files • Presentation files

  17. Connectivity, the Wireless Revolution, and the Internet • Connectivity • Sharing of information • Wireless communication is becoming popular • Computer networks • Connected communication system of computers • Largest network is the Internet

  18. A Look to the FutureComputer Competent • The Internet & the Web • Powerful software & hardware • Privacy & security • Organizations • Changing Times

  19. application software (9) basic application (9) chassis (12) communication device (14) compact disc (CD) (14) computer competency (3) computer network (16) Computing Essentials CD (8) connectivity (16) Data (5) database file (15) desktop computer (11) device driver (9) digital versatile disk (DVD) (14) digital video disc (DVD) (14) document file (15) Key Terms

  20. end user (4) floppy disk (14) general-purpose (9) application handheld computer (11) hard disk (14) hardware (5) information (4) information system (4) information technology (IT) (5) input device (12) Internet (16) keyboard (12) laptop computer (11) mainframe computer (11) memory ( 12) microcomputer (11) Key Terms

  21. microprocessor (12) midrange computer (11) minicomputer (11) modem (14) monitor (12) mouse (12) network (16) notebook computer (11) operating system (9) optical disk ( 14) output device (12) palm computer (11) people (4) personal digital assistant (PDA) (11) presentation file (15) primary storage (12) printer (12) Key Terms

  22. procedures (4) program (4) random access memory (RAM) (12) secondary storage device (14) service program (9) software (4) specialized application (10) special-purpose application (10) supercomputer (11) SimNet Concepts (8) system cabinet (12) system software (9) system unit (12) tablet PC (11) Key Terms

  23. temporary storage (12) utility (9) video display screen (12) Web (16) wireless revolution (16) worksheet file (15) World Wide Web (WWW) (16) Key Terms

  24. FAQs • What is an information system? • What is IT? • How does raw data become information? • What is an operating system? • What are specialized applications? Please give some examples. • Is the Internet the same as the World Wide Web?

  25. Discussion Questions • How are you using information technology? • Explain the difference between system and application software. • Describe some of the uses for handheld computers. • Why is the wireless revolution so important?

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