Question Detail

User programs interact with I/O devices through ?

  • Operating System
  • Hardware
  • Buses
  • Processor

Answer: Option A
Similar Questions :

1. Which table handle store address of interrupt handling subroutine ?

  • Vector table
  • Symbol link table
  • Interrupt vector table
  • None of above

Answer: Option C

2. Why we need to have secondary storage ?

  • Store large volume of data that exceed the capacity of main memory
  • Perform arithmatic and logical operations
  • To give power to the system too
  • To help processor in processing

Answer: Option A

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

  • Primary
  • Secondary
  • Cache
  • RAM

Answer: Option C

4. Whenever CPU detects an interrupt, what it do with current state ?

  • Save it
  • Discard it
  • Depends system to system
  • First finish it

Answer: Option A

5. Which types of register holds a single vector containing at least two read ports and one write ports ?

  • Data system
  • Vector register
  • Database
  • Memory

Answer: Option B

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