Computer Elements

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Computer Elements

  1. 1. A brief Introduction to ICT E.S.O. First Course Bilingual Group
  2. 2. Index <ul><li>Introduction </li></ul><ul><li>Hardware: The basic parts of a computer </li></ul><ul><li>How a computer works </li></ul><ul><li>Software </li></ul>
  3. 3. What is a computer? <ul><li>A computer is a machine that processes data. </li></ul>Data Processed Data <ul><ul><li>ICT stands for Communication and Information Technology. It consists of processing and treatment of data. </li></ul></ul>What is ICT?
  4. 4. Data processing: Input Data Output Data Processing <ul><li>Computers run on electricity Physically, they are electric circuits </li></ul>
  5. 5. What is data? <ul><li>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. </li></ul><ul><li>What is information? </li></ul><ul><li>Information is any data that has meaning, e.g. 970419 is someone's birthday: year 97, month: 4th, day: the 19th. </li></ul>
  6. 6. <ul><li>Hardware: </li></ul><ul><li>The physical part of the computer. </li></ul><ul><li>It’s all you can touch, e.g. The keyboard. </li></ul><ul><li>Software: </li></ul><ul><li>The programs. </li></ul><ul><li>A program is a group of instructions the computer need to work, e.g. Paint, OpenOffice </li></ul>ELEMENTS OF COMPUTING
  7. 7. The basic parts of a computer <ul><li>Input devices </li></ul><ul><li>Output devices </li></ul><ul><li>Network devices </li></ul><ul><li>Data Storage </li></ul><ul><li>Basic Unit (CPU )‏ </li></ul>Hardware:
  8. 8. Basic Input devices KEYBOARD MOUSE
  9. 9. More Input devices SCANNER WEB CAM MICROPHONE
  10. 10. Basic Output Devices MONITOR or SCREEN PRINTER SPEAKERS
  11. 11. More Output Devices OVERHEAD PROJECTOR HEADPHONES
  12. 12. Data Storage Devices FLOPPY DISK UNIT DVD UNIT HARD DISK DRIVE
  13. 13. Network devices Wireless card Network card
  14. 14. Data Storage: USB DEVICES MP3 MP4
  15. 15. Basic Unit (CPU)‏ <ul><li>It is the brains of a Computer System. </li></ul><ul><li>It processes the input data & produces the output data. </li></ul><ul><li>Main Physical Parts </li></ul><ul><li>Case </li></ul><ul><li>Motherboard. </li></ul><ul><li>Power supply. </li></ul>
  16. 16. How a computer works CPU DATA STORAGE POWER SUPPLY INPUT DEVICES OUTPUT DEVICES memory NETWORK

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