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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

Similar Questions :

1. A keyboard has which type of asynchronous transfer mode ?

  • Serial
  • Parralel
  • Optimal
  • Joint

Answer: Option A

Explanation:

In serial transfer each bit is sent one after the another in a sequence of event and requires just one line.

2. Which technique is used that identifies the highest priority resource by means of software ?

  • Daisy chaining
  • Polling
  • Priority
  • Chaining

Answer: Option B

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

  • Operating System
  • Hardware
  • Buses
  • Processor

Answer: Option A

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. UMA stands for ?

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

Answer: Option B

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