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Computer Elements

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Transcript

  • 1. A brief Introduction to ICT E.S.O. First Course Bilingual Group
  • 2. Index
    • Introduction
    • Hardware: The basic parts of a computer
    • How a computer works
    • Software
  • 3. What is a computer?
    • A computer is a machine that processes data.
    Data Processed Data
      • ICT stands for Communication and Information Technology. It consists of processing and treatment of data.
    What is ICT?
  • 4. Data processing: Input Data Output Data Processing
    • Computers run on electricity Physically, they are electric circuits
  • 5. What is data?
    • Data is any information that a computer can use and store for many purposes. For the computer, the data have no meaning at all. For example, 970419 is just a number.
    • What is information?
    • Information is any data that has meaning, e.g. 970419 is someone's birthday: year 97, month: 4th, day: the 19th.
  • 6.
    • Hardware:
    • The physical part of the computer.
    • It’s all you can touch, e.g. The keyboard.
    • Software:
    • The programs.
    • A program is a group of instructions the computer need to work, e.g. Paint, OpenOffice
    ELEMENTS OF COMPUTING
  • 7. The basic parts of a computer
    • Input devices
    • Output devices
    • Network devices
    • Data Storage
    • Basic Unit (CPU )‏
    Hardware:
  • 8. Basic Input devices KEYBOARD MOUSE
  • 9. More Input devices SCANNER WEB CAM MICROPHONE
  • 10. Basic Output Devices MONITOR or SCREEN PRINTER SPEAKERS
  • 11. More Output Devices OVERHEAD PROJECTOR HEADPHONES
  • 12. Data Storage Devices FLOPPY DISK UNIT DVD UNIT HARD DISK DRIVE
  • 13. Network devices Wireless card Network card
  • 14. Data Storage: USB DEVICES MP3 MP4
  • 15. Basic Unit (CPU)‏
    • It is the brains of a Computer System.
    • It processes the input data & produces the output data.
    • Main Physical Parts
    • Case
    • Motherboard.
    • Power supply.
  • 16. How a computer works CPU DATA STORAGE POWER SUPPLY INPUT DEVICES OUTPUT DEVICES memory NETWORK