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Question Detail

User programs interact with I/O devices through ?

  • Operating System
  • Hardware
  • Buses
  • Processor

Answer: Option A

Similar Questions :

1. Which technique helps processor to run a program concurrently with input output operations ?

  • IOP
  • DMA
  • Interrupt driven I/O
  • DCA

Answer: Option C

2. If CPU and I/O interface share a common bus than transfer of data between two units is known as ?

  • Asynchronous
  • Clock dependent
  • Synchronous
  • Decoder independent

Answer: Option C

3. What is meaning of DMAC ?

  • Dual memory access controller
  • Direct memory access controller
  • Direct memory access computer
  • Direct memory accumulator controller

Answer: Option B

4. All the operations in a digital system are synchronized by a clock that is generated by ?

  • Clock
  • Clock generator
  • Pulse
  • Pulse generator

Answer: Option D

5. What is full form of LSD ?

  • Less significant data
  • Less significant digit
  • Least significant data
  • Least significant digit

Answer: Option D

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