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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. 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

2. Multiprocessor uses large caches but limited process that shares ___ ?

  • Control Bus
  • Memory Bus
  • Multiple memory bus
  • Single memory bus

Answer: Option D

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

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

Answer: Option C

4. ____ processor has to check continuously till device becomes ready for transferring the data ?

  • DMA
  • Interrupt-initiated I/O
  • IOP
  • DCP

Answer: Option B

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

  • Interrupt
  • Polling
  • Priority
  • Daisy chaining

Answer: Option D

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