Computer Hardware

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Across
  1. 1. a brand of CPU Manufacturer
  2. 7. one of the stages in green computing
  3. 8. freely available, modifiable, packaged into distributions
  4. 10. electric,electronic and mechanical components in a computer is known as?
  5. 12. main circuit board of the system unit
  6. 13. the clock speed is measured in?
  7. 15. how many bits are grouped together as a unit to form a byte?
  8. 16. a worldwide collections of network that connects millions of bussinesses ,government agencies,educational institutions and individuals
  9. 18. a storage device for a computer
  10. 20. a device that enables the computer to perform extra functions
Down
  1. 2. loses all of its information when the PC is switched off
  2. 3. a program that destroys your computer system
  3. 4. to talk whit people through the computer
  4. 5. a mass storage device that is portable that connects through a usb port
  5. 6. first multi-tasking operating system
  6. 9. the cable that connects your PC to the internet
  7. 11. an electronic device which operates under the control of instructions stored in its own memory
  8. 14. temporarily holds data and instructions in processor
  9. 17. a collection of computers and devices connected together,often wirelessly,via communications devices and transmission media
  10. 19. holds information for a long period of time