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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. User programs interact with I/O devices through ?

  • Operating System
  • Hardware
  • Buses
  • Processor

Answer: Option A

2. Which refers the execution of various software process concurrently ?

  • IOP
  • DCP
  • Multiprocessor
  • Serial Communication

Answer: Option C

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

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

Answer: Option D

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

  • Magnetic disk
  • Optical disk
  • Floppy disk
  • ROM

Answer: Option B

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

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

Answer: Option C

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