Computer System Architecture Questions Answers

• 29. Which technique helps processor to run a program concurrently with input output operations ?

  1. IOP
  2. DMA
  3. Interrupt driven I/O
  4. DCA

  Answer :

  Option C

• 30. All the operations in a digital system are synchronized by a clock that is generated by ?

  1. Clock
  2. Clock generator
  3. Pulse
  4. Pulse generator

  Answer :

  Option D

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

  1. Interrupt
  2. Polling
  3. Priority
  4. Daisy chaining

  Answer :

  Option D

• 32. What is meaning of PCB ?

  1. Process control block
  2. Preempitive control block
  3. Process close block
  4. Process carrying block

  Answer :

  Option A

• 33. __ is a single control line that informs destination unit that a valid is available on the bus ?

  1. Ping
  2. Token
  3. Handshake
  4. Strobe

  Answer :

  Option D

• 34. The performance of the cache memory is measured in terms of ?

  1. Hit Ratio
  2. Chat Ratio
  3. Copy Ratio
  4. Data Ratio

  Answer :

  Option A

• 35. A number system that uses only two digits, 0 and 1 is known as ?

  1. Octal number system
  2. Hexadecimal system
  3. Binary system
  4. Decimal system

  Answer :

  Option C