Theme : a computer system 1 parts of the computer system



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Theme a computer system 1 parts of the computer system

THEME :A COMPUTER SYSTEM

  • 1

PARTS OF THE COMPUTER SYSTEM

  • 1
  • Computer systems have four parts
    • Hardware
    • Software
    • Data
    • User

PARTS OF THE COMPUTER SYSTEM

  • 2
  • Hardware
  • Software
    • Tell the computer what to do
    • Also called a program
    • Thousands of programs exist

PARTS OF THE COMPUTER SYSTEM

  • 1B-

INFORMATION PROCESSING CYCLE

  • 3
  • Steps followed to process data
  • Input
  • Processing
  • Output
  • Storage

ESSENTIAL COMPUTER HARDWARE

  • 1B-
  • Computers use the same basic hardware
  • Hardware categorized into four types

ESSENTIAL COMPUTER HARDWARE

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ESSENTIAL COMPUTER HARDWARE

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ESSENTIAL COMPUTER HARDWARE

  • 1B-
  • Input and output devices
    • Allows the user to interact
    • Input devices accept data
      • Keyboard, mouse
    • Output devices deliver data
      • Monitor, printer, speaker
    • Some devices are input and output
      • Touch screens

ESSENTIAL COMPUTER HARDWARE

  • 1B-
  • Storage devices
    • Hold data and programs permanently
    • Different from RAM
    • Magnetic storage
      • Floppy and hard drive
      • Uses a magnet to access data
    • Optical storage
      • CD and DVD drives
      • Uses a laser to access data

SOFTWARE RUNS THE MACHINE

  • 1B-

SOFTWARE RUNS THE MACHINE

  • 1B-

SOFTWARE RUNS THE MACHINE

  • 1B-

COMPUTER DATA

  • 1B-

COMPUTER USERS

  • 1B-
  • Role depends on ability
    • Setup the system
    • Install software
    • Mange files
    • Maintain the system
  • “Userless” computers
    • Run with no user input
    • Automated systems

THANK YOU


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