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

A. Keyboard

B. Terminal

C. Printer

D. Plotter

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. What is the name of the display feature that highlights are of the screen which requires operator attention?
  2. Which of the following processors use RISC technology?
  3. What was the first computer brought in Nepal?
  4. ASCII is a coding system that provides
  5. Through which device the main components of the computer communicate with each other?
  6. A kind of serial dot-matrix printer that forms characters with magnetically-charged ink sprayed dots…
  7. Trackball is A________
  8. Which of the following is called low level languages?
  9. Unwanted repetitious messages, such as unsolicited bulk e-mail is known as
  10. A term associated with the comparison of processing speeds of different computer system is:
  11. What are the stages in the compilation process?
  12. In the third Generation of computers
  13. Which unit holds data temporarily?
  14. EPROM can be used for
  15. Help Menu is available at which button?
  16. Integrated Circuits (Ics) are related to which generation of computers?
  17. Who is the father of personal computer?
  18. Which is a unit representing the no bits of discrete.
  19. Which statement is valid about computer program?
  20. The qualitative or quantitative attribute of a variable or set of variables is termed as
  21. Which of the following is not purely output device?
  22. Large transaction processing systems in automated organisations use
  23. Which language is directly understood by the computer without translation program?
  24. Which of the following is not computer language?
  25. The amount of vertical space between lines of text in a document is called
  26. The language that the computer can understand and execute is called
  27. Which computer was considered the first electronic computer until 1973 when court invalidated the patent?
  28. To prevent the loss of data during power failures, use a(n):
  29. The translator program used in assembly language is called
  30. A modern digital computer has