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What is computer


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What is computer

  1. 1. Computer Joseph Z. Rizon 1sm
  2. 2. What is Computer?
  3. 3. A computer is an electronic device, operating under the control of instructions stored in own memory, that can accept data, process the data according to specified rules, produce results, and store the result for future use.
  4. 4. DATA – a collection of unprocessed items, which can include text, numbers, images, audio, and video INFORMATION – conveys meaning and is useful to people INFORMATION PROCESSING CYCLE data (input) process information (output) storage
  5. 5. Components COMPUTER
  6. 6. Input Devices  any hardware component that allows you to enter data and instructions into a computer 1. Keyboard 2. Mouse 3. Microphone 4. Scanner 5. Digital camera 6. PC video camera
  7. 7. Keyboard  contains keys you press to enter data into the computer
  8. 8. Mouse  small handheld device  use to controls movements of the pointer  use to make selections in the screen
  9. 9. Microphone  allows someone to speak into the computer
  10. 10. Scanner  converts printed materials (text & pictures) into a form the computer can use
  11. 11. Digital Camera  enables you take pictures and then transfer them to the computer or printer instead of storing the images on traditional films
  12. 12. PC video camera  is a digital video camera that allows you to create movies or take still pictures electronically