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

  • Ping
  • Token
  • Handshake
  • Strobe

Answer: Option D

Similar Questions :

1. Which method is used to establish priority by serially connecting all devices that request an interrupt ?

  • Interrupt
  • Polling
  • Priority
  • Daisy chaining

Answer: Option D

2. 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

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. What is meaning of DMAC ?

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

Answer: Option B

5. Why we need to have secondary storage ?

  • Store large volume of data that exceed the capacity of main memory
  • Perform arithmatic and logical operations
  • To give power to the system too
  • To help processor in processing

Answer: Option A

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