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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 determines the address of I/O interface ?

  • Register select
  • Chip select
  • Both of above
  • None of above

Answer: Option C

2. What is full form of LSD ?

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

Answer: Option D

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

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

Answer: Option B

4. In which of the following status flags required for data transfer are present ?

  • Interface Circuit
  • Parallel Line
  • Device Circuit
  • None of Above

Answer: Option A

5. Which technique has one or more control signal for acknowledgement that is used for intimation ?

  • Ftp
  • Ping
  • Strobe
  • Handshaking

Answer: Option D

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