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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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  1. A set of information that defines the status of resources allocated to a process isA) Process control
  2. Which of the following does not store data permanently?
  3. FORTRAN is
  4. A kind of scanner MICR is the short form of
  5. Size of the primary memory of a PC ranges between
  6. A program that is employed in the development, repair or enhancement of other programs is known as
  7. A DVD is an example of a (n)-
  8. Which of the following is a programming language?
  9. A computer program that converts an entire program into machine language is called a/an
  10. Instructions and memory address are represented by
  11. 1 nibble equals to
  12. The device used to carry digital data on analogue lines is called as
  13. Which of the following is the first computer to use Stored Program Concept?
  14. What was the nick name of the computer used by the Americans in 1952 for their H-bomb project?
  15. The full form of ALU is
  16. A fault in a computer program which prevents it from working correctly is known as
  17. A name or number used to identify a storage location is called
  18. What do you call the programs that are used to find out possible faults and their causes?
  19. Who designed the first electronics computer ENIAC?
  20. How many types of storage loops exists in magnetic bubble memory
  21. Microprocessors as switching devices are for which generation computers?
  22. The storage subsystem in a microcomputer consists mainly of or media with varying capacities
  23. WAN stands for
  24. Once you load the suitable program and provide required data, computer does not need human intervention.…
  25. VDU is also called
  26. Excessive parallel processing is related to
  27. From which generation computers the printers were used?
  28. ASCII stands for
  29. Which one of the following is NOT a computer language
  30. Machine language is