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DOS stands for

A. Disk Operating System

B. Disk operating session

C. Digital Operating System

D. Digital Open system

Correct Answer : A.


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  1. A device designed to read information encoded into a small plastic card is
  2. Which of the following storage device can store the largest amount of data?
  3. ________ Store data or information temporarily and pass it on as directed by the control unit
  4. The difference between memory and storage is that memory is ______ and storage is
  5. Latency time is
  6. Access time is
  7. Com in Latin is
  8. Which computer was considered the first electronic computer until 1973 when court invalidated the patent?
  9. The word Abacus is derived from Abax, a word from
  10. Computers process data into information by working exclusively with :
  11. What is the main difference between a mainframe and a super computer?
  12. Who is credited with the idea of using punch cards to control patterns in a waving machine?
  13. FORTRAN is
  14. Which of the following device was not invented by Babbage?
  15. In a computer_____ is capable to store single binary bit.
  16. Which of the following is considered first computer in the world?
  17. A song being played on computer speaker is
  18. Artificial Intelligence is associated with which generation?
  19. Intel corporation produces chips for which computers?
  20. Each set of Napiers bones consisted of ______ rods.
  21. A byte consists of
  22. Floppy disks typically in diameter
  23. _______ computers are also called personal computers
  24. Why ABC is considered electro-mechanical computer?
  25. Can you tell what passes into and out from the computer via its ports?
  26. A term used to describe interconnected computer configuration is
  27. A hybrid computer
  28. An optical input device that interprets pencil marks on paper media is
  29. ALU and Control Unit jointly known as
  30. When was the first electro-mechanical computer developed?