An input /output device at which data enters or leaves a computer system is

A. Keyboard

B. Terminal

C. Printer

D. Plotter

You can do it
  1. When a computer is switched on, the booting process performs
  2. IBM 1401 is
  3. An approach that permits the computer to work on several programs instead of one is
  4. ________is a combination of hardware and software that facilitates the sharing of information between…
  5. Which access method is used to access cassette tape?
  6. Which is a non-standard version of a computing language?
  7. Which of the following is the first computer to use Stored Program Concept?
  8. Who invented vacuum tubes?
  9. Access time is
  10. Which language was devised by Dr. Seymour Cray?
  11. EBCDIC can code up to how many different characters?
  12. The word length of a computer is measured in
  13. Which network is a packet switching network?
  14. An intentionally disruptive program that spreads from program to program or from disk to disk is known…
  15. Second Generation computers were developed during
  16. What is required when more than one person uses a central computer at the same time?
  17. The advantage of COM are its __ and __
  18. ________is defined as any crime completed through the use of computer technology.
  19. What is the latest write-once optical storage media?
  20. Magnetic disks are the most popular medium for
  21. Who is credited with the idea of using punch cards to control patterns in a waving machine?
  22. Mnemonic a memory trick is used in which of the following language?
  23. Web cam is an
  24. What is meant by a dedicated computer?
  25. Which converts the user data into machine readable form?
  26. When was Apple Macintosh II microcomputer introduced in the market?
  27. A compiler is a translating program which
  28. Who invented Mark I?
  29. Which of the following device was not invented by Babbage?
  30. An error in computer data is called