Computers

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Across
  1. 2. can handle more data and more input and output than microcomputers.
  2. 5. an input device, partially modeled after the typewriter keyboard, which uses an arrangement of buttons or keys, to act as mechanical levers or electronic switches.
  3. 8. a register in a CPU in which intermediate arithmetic and logic results are stored.
  4. 11. a collection of computers and devices connected by communications channels.
  5. 14. a pointing device that functions by detecting two-dimensional motion relative to its supporting surface.
  6. 16. represent data in the form of continuous electric signals having a specific magnitude.
  7. 17. Personal computer you can carry from place to place.
  8. 19. a computer which may be used to provide services to clients.
  9. 20. the portion of a computer system that executes the instructions of a computer program.
  10. 23. a type of memory chip that retains its data when its power supply is switched off.
  11. 25. A webcam is a video camera that feeds its images in real time to a computer or computer network, often via USB, Ethernet, or Wi-Fi.
  12. 26. programs and other kinds of information read and written by computers.
  13. 27. an electronic visual display for computers.
  14. 28. a non-volatile storage device that stores data on rapidly rotating rigid (i.e. hard) platters with magnetic surfaces.
  15. 30. the cycle during which a machine language instruction is executed by the processor of the computer system.
  16. 31. designed to be used y individuals.
  17. 35. Example of computer usage.
  18. 37. the CPU retrieves the instruction from the main memory of the computer system.
  19. 38. benefited with the computer.
Down
  1. 1. a computer program that can replicate itself and spread from one computer to another.
  2. 3. a peripheral which produces a text or graphics of documents stored in electronic form, usually on physical print media such as paper or transparencies.
  3. 4. reason in using internet.
  4. 6. a data storage medium that is composed of a disk of thin, flexible ("floppy") magnetic storage medium encased in a square or rectangular plastic shell.
  5. 7. Computing device small enough to hold in your hand.
  6. 9. Many form of computer data storage that allow stored data to be accessed in any order
  7. 10. an electronic device operating under control of instructions stored in its own memory.
  8. 12. A mobile computing device designed for single-player or multiplayer video games.
  9. 13. a device for reading floppy disks.
  10. 15. a type of non volatile computer storage chip that can be electrically erased and reprogrammed.
  11. 16. is a part of the CPU that performs arithmetic operations on the data.
  12. 17. devices that are used to store data or programs on a temporary or permanent basis for use in an electronic digital computer.
  13. 18. the physical components of a computer.
  14. 21. store a process data in digital form
  15. 22. a combination of analog and digital computers.
  16. 24. the fastest type of computer that can perform complex operations a very high speed.
  17. 29. a fast memory that transparently improves the performance of a larger, but slower memory or storage device.
  18. 32. any peripheral equipment used to provide data and control signals to an information processing system.
  19. 33. the central printed circuit board (PCB) in many modern computers which holds many of the crucial components of the system, while providing connectors for other peripherals.
  20. 34. A hardware device or software to protect a computer from viruses, malware, trojans etc.
  21. 36. flash drive a flash memory device integrated with a USB interface. USB flash drives are typically removable and rewritable.