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Which among following is an important data transfer technique ?

  • CAD
  • CAM
  • DMA
  • MMA

Answer: Option C

Explanation:

DMA is Direct Memory Access.

Similar Questions :

1. Which is used for this and known as high speed buffer exist with almost each process ?

  • Primary
  • Secondary
  • Cache
  • RAM

Answer: Option C

2. The operating mode of I/O devices is __ for different devices ?

  • Same
  • Different
  • Optimum
  • Medium

Answer: Option B

3. 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.

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

  • Interrupt
  • Polling
  • Priority
  • Daisy chaining

Answer: Option D

5. In which condition one process holds the allocated resources and other waits for it ?

  • Non preemption
  • Mutual exclusion
  • Hold and wait
  • All of above

Answer: Option C

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