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__ read the data by reflecting pulses of laser beams on the surface ?

  • Magnetic disk
  • Optical disk
  • Floppy disk
  • ROM

Answer: Option B

Similar Questions :

1. UMA stands for ?

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

Answer: Option B

2. If CPU and I/O interface share a common bus than transfer of data between two units is known as ?

  • Asynchronous
  • Clock dependent
  • Synchronous
  • Decoder independent

Answer: Option C

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

  • Interrupt
  • Polling
  • Priority
  • Daisy chaining

Answer: Option D

4. 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

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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