Computer System Architecture Questions Answers

• 50. EA stands for ?

  1. Effective address
  2. Effective absolute
  3. Effective add
  4. End address

  Answer And Explanation

  Answer: Option A

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• 51. The operating mode of I/O devices is __ for different devices ?

  1. Same
  2. Different
  3. Optimum
  4. Medium

  Answer And Explanation

  Answer: Option B

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• 52. ____ processor has to check continuously till device becomes ready for transferring the data ?

  1. DMA
  2. Interrupt-initiated I/O
  3. IOP
  4. DCP

  Answer And Explanation

  Answer: Option B

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• 53. Instruction that are used for reading from memory by an IOP called ?

  1. Commands
  2. Pulses
  3. Blocks
  4. Interrupt

  Answer And Explanation

  Answer: Option A

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• 54. Which memory is assembled between main memory and CPU ?

  1. Primary Memory
  2. Secondary Memory
  3. Registers
  4. Cache Memory

  Answer And Explanation

  Answer: Option D

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• 55. A number system that uses only two digits, 0 and 1 is known as ?

  1. Octal number system
  2. Hexadecimal system
  3. Binary system
  4. Decimal system

  Answer And Explanation

  Answer: Option C

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• 56. Which system has a base or radix of 10 ?

  1. Binary
  2. Octal
  3. Hexadecimal
  4. Decimal

  Answer And Explanation

  Answer: Option D

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