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Computer Systems

Computer Systems. Goal 1 Identify the main elements of a computer system. Goal 2 Describe input devices and processing activities. Goal 3 Explain computer storage media and output types. KEY TERMS. computer system hardware software computer network central processing unit (CPU)

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Computer Systems

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  1. Computer Systems Goal 1 Identify the main elements of a computer system. Goal 2 Describe input devices and processing activities. Goal 3 Explain computer storage media and output types.

  2. KEY TERMS • computer system • hardware • software • computer network • central processing unit (CPU) • program • computer language • operating system software • application software

  3. ELEMENTS OF A COMPUTER SYSTEM • Input • Processing • Memory and storage • Output device

  4. COMPUTER NETWORKS • Global computer network (Internet) • For accessing the World Wide Web • For exchanging e-mail • Local computer network (intranet) • Functions like a typical website • Used to share information within an organization

  5. Checkpoint  • List the four main elements of a computer system. • Input device(s) • Processing unit • Memory and storage • Output device(s)

  6. INPUT AND PROCESSING • Input: getting started • Processing: making things happen • Word processing • Desktop publishing • Database software • Spreadsheet software • Presentation software

  7. Checkpoint  • What are common input devices? • Common input devices include keyboard, mouse, game controller, joystick, touch-sensitive screen, scanner, voice-activated system, microphone, and camera.

  8. MEMORY AND OUTPUT • Memory and storage • Saving for later • Output • Obtaining results

  9. MEMORY CAPACITY

  10. Checkpoint  • How do internal and external memory differ? • Internal memory is inside the computer and holds a fixed amount of data. External memory is not stored within the computer and it is highly portable.

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