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When was vacuum tube invented?

A. 1900

B. 1906

C. 1910

D. 1880

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  1. Floppy disks typically in diameter
  2. Integrated Circuits (Ics) are related to which generation of computers?
  3. Computer operators
  4. Which is not a computer of first generation?
  5. Which access method is used to access cassette tape?
  6. Most of the inexpensive personal computers do not have any disk or diskette drive. What is the name…
  7. Computer memory consists of
  8. In analogue computer
  9. Which of the following is input device?
  10. In the IBM PC-At, what do the words AT stand for
  11. A device, which is not connected to CPU, is called as ________
  12. Microprocessors as switching devices are for which generation computers
  13. Which of the following magazines covers only the IBM PC and its compatibles?
  14. A directly accessible appointment calendar is feature of a __ resident package
  15. Storage capacity of magnetic disk depends on
  16. UNIVAC is
  17. Which computers are used as servers for any medium sized organizations?
  18. A set of information that defines the status of resources allocated to a process isA) Process control
  19. Which one of the following input device is user- programmable?
  20. The CPU and memory are located on the:
  21. Which of the following is used as a primary storage device?
  22. The first computer introduced in Nepal was
  23. What is meant by a dedicated computer?
  24. The personnel who deals with the computer & its management put together are called
  25. Unwanted repetitious messages, such as unsolicited bulk e-mail is known as
  26. Personnel who design, program, operates and maintains computer equipment refers to
  27. Signals can be analog or digital and a computer that processes the both type of signals is known as
  28. Which characteristic of computer distinguishes it from electronic calculators?
  29. Which of the following memories allows simultaneous read and write operations?
  30. The contents of information are stored in