Introduction to computer1
- 2. Recognize the importance of computer literacy Define the term, computer Identify the components of a computer Discuss the advantages and disadvantages of using computers Describe the categories of computers Describe the various types of computer users Discuss various computer applications in society Next
- 3. A World of Computers What is computer literacy ? Knowledge and understanding of computers and their uses Computers are everywhere Next
- 4. How is a computer defined? What Is a Computer? Electronic device operating under the control of instructions stored in its own memory Produces and stores results Next Processes data into information Data that is organized, meaningful, and useful Accepts data Raw facts, figures, and symbols
- 5. What Is a Computer? What is the information processing cycle ? Input Process Output Storage Communication Next
- 6. The Components of a Computer What is an input device ? Hardware used to enter data and instructions Next
- 7. The Components of a Computer What is an output device ? Hardware that conveys information to one or more people Next
- 8. The Components of a Computer What is the system unit ? Case containing electronic components used to process data Next
- 9. The Components of a Computer What are two main components on the motherboard? Central Processing Unit (CPU) Also called a processor The electronic component that interprets and carries out the basic instructions that operate the computer Memory Consists of electronic components that store instructions waiting to be executed and data needed by those instructions Next
- 10. The Components of a Computer What is storage? Storage media Physical material on which data, instructions, and information are stored Storage device Records and retrieves items to and from a storage medium Holds data, instructions, and information for future use Next
- 11. The Components of a Computer What is storage media ? Digital cameras Handheld computers Portable, thin memory cards used in: Next
- 12. The Components of a Computer What is a floppy disk? Thin, circular, flexible disk enclosed in rigid plastic shell Next
- 13. The Components of a Computer What is a USB flash drive? Provides much greater storage capacity than a floppy disk or Zip ® disk Small and lightweight enough to be transported on a keychain or in a pocket Next
- 14. The Components of a Computer What is a hard disk? Provides greater storage capacity than a floppy disk, Zip disk, or USB flash drive Most are housed inside of the system unit Next
- 15. The Components of a Computer What is a compact disc? Flat, round, portable metal disc CD-ROM DVD-ROM Next
- 16. The Components of a Computer What is a communications device ? Hardware component that enables a computer to send and receive data, instructions, and information Occurs over cables, telephone lines, cellular radio networks, satellites, and other transmission media Next
- 17. Advantages and Disadvantages of Using Computers What are the advantages of using computers? Storage Communications Speed Reliability Next Consistency
- 18. Advantages and Disadvantages of Using Computers What are the disadvantages of using computers? Violation of Privacy Impact on Environment Impact on Labor Force Health Risks Next
- 19. Examples of Computer Usage What software is available for a home user ? Next
- 20. Examples of Computer Usage What software is available for a small office/home office (SOHO) user? Productivity software Specialty software Web usage E-mail Next
- 21. Examples of Computer Usage What is available for a mobile user ? Hardware Notebook computers PDAs Smart phones Software Word processing Spreadsheet Presentation graphics software Next
- 22. Examples of Computer Usage What are the needs of a power user ? Speed and large amounts of storage Types of power users Engineers Scientists Architects Desktop publishers Graphic artists Next
- 23. Examples of Computer Usage What are the needs of the large business user ? Next
- 24. Computer Applications in Society What are some examples of computer applications in society? Education Finance Government Healthcare Science Publishing Travel Industry Next
- 25. Summary of Introduction to Computers The importance of computer literacy The term, computer The components of a computer The advantages and disadvantages of using computers Types of computer users Computer applications in society