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

  • DMA
  • Interrupt-initiated I/O
  • IOP
  • DCP

Answer: Option B

Similar Questions :

1. UMA stands for ?

  • Unit memory access
  • Uniform memory access
  • Unit memory array
  • Unit metadata access

Answer: Option B

2. User programs interact with I/O devices through ?

  • Operating System
  • Hardware
  • Buses
  • Processor

Answer: Option A

3. What is full form of LED ?

  • Low Emitting Diode
  • Light Emitting Diode
  • Light Emitting Data
  • Light Encounter Diode

Answer: Option B

Explanation:

In optical mouse we use pair of LED.

4. Where the result of an arithmetic and logical operation are stored ?

  • In Accumulator
  • In Cache Memory
  • In ROM
  • In Instruction Registry

Answer: Option A

5. An exception condition in a computer system caused by an event external to the CPU is known as ?

  • Halt
  • Process
  • Interrupt
  • None of above

Answer: Option C

Explanation:

In my own experience I found very few questions with answer "None of above", if you do not know the answer then its always better to guess among other (If there is no negative marking) ;)

Read more from - Computer System Architecture Questions Answers
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