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User programs interact with I/O devices through ?

  • Operating System
  • Hardware
  • Buses
  • Processor

Answer: Option A

Similar Questions :

1. __ is a single control line that informs destination unit that a valid is available on the bus ?

  • Ping
  • Token
  • Handshake
  • Strobe

Answer: Option D

2. Intercrosses arbitration system for multiprocessor shares a __ ?

  • Control Bus
  • Domain Bus
  • Primary Bus
  • Common Bus

Answer: Option D

3. Which interrupt establishes a priority over the various sources to determine which request should be entertained first ?

  • Polling
  • Daisy chaining
  • Priority interrupt
  • All of above

Answer: Option C

4. Which determines the address of I/O interface ?

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

Answer: Option C

5. An instruction code must specify the address of the ?

  • Operand
  • Opecode
  • Both of above
  • None of above

Answer: Option A

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