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What was the main disadvantage of vacuum tubes?

A. They were larger in size

B. They consumed a lot of electricity

C. They produced heat and often burned out

D. The operation cost was high

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  2. _______ computers are also called personal computers
  3. Which of the following is not a valid size of a Floppy Disk?
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  6. The first microprocessor built by the Intel corporation was called
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  8. The translator program used in assembly language is called
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  12. A general purpose single-user microcomputer designed to be operated by one person at a time is
  13. Is an OOP principle
  14. Which of the following have low failure rate?
  15. Floppy disks which are made from flexible plastic material are also called?
  16. A compiler means
  17. Latency time is
  18. Which of the following is correct acronym of VGA?
  19. VDU is also called
  20. Reusable optical storage will typically have the acronym-
  21. In a computer, most processing takes place in
  22. The binary system uses powers of
  23. A device, which is not connected to CPU, is called as ________
  24. MSI is the abbreviation of
  25. A computer Program that translates one program instruction at a time into machine language is called…
  26. A computer program that converts an entire program into machine language at one time is called a/an
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  28. Bit stands for
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