Computer System Architecture Questions Answers Online Quiz Test

• 1. __ 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

• 2. Which technique has one or more control signal for acknowledgement that is used for intimation ?

  1. Ftp
  2. Ping
  3. Strobe
  4. Handshaking

• 3. A keyboard has which type of asynchronous transfer mode ?

  1. Serial
  2. Parralel
  3. Optimal
  4. Joint

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

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

• 5. Which exception is also known software interrupt ?

  1. Trap
  2. Call
  3. System Call
  4. All of above

• 6. User programs interact with I/O devices through ?

  1. Operating System
  2. Hardware
  3. Buses
  4. Processor

• 7. Which table handle store address of interrupt handling subroutine ?

  1. Vector table
  2. Symbol link table
  3. Interrupt vector table
  4. None of above

• 8. Which interrupt establishes a priority over the various sources to determine which request should be entertained first ?

  1. Polling
  2. Daisy chaining
  3. Priority interrupt
  4. All of above

• 9. Which technique is used that identifies the highest priority resource by means of software ?
  

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

• 10. 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

• 11. What is meaning of "VAD" ?

  1. Velocity Address
  2. Viscous Address
  3. Vector Address
  4. Volatile Address

• 12. What is meaning of DMAC ?

  1. Dual memory access controller
  2. Direct memory access controller
  3. Direct memory access computer
  4. Direct memory accumulator controller

• 13. What is meaning of IOP ?

  1. Input output processor
  2. Input output product
  3. Input output producer
  4. Input output processing

• 14. Which refers the execution of various software process concurrently ?

  1. IOP
  2. DCP
  3. Multiprocessor
  4. Serial Communication

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

  1. Primary
  2. Secondary
  3. Cache
  4. RAM

• 16. In which condition only one process holds a resource at a given time ?

  1. Circular queue
  2. Hold and Wait
  3. Mutual exclusion
  4. Non preemption

• 17. In which condition one process holds the allocated resources and other waits for it ?

  1. Non preemption
  2. Mutual exclusion
  3. Hold and wait
  4. All of above

• 18. What is meaning of PCB ?

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

• 19. Arithmetic instruction are used to perform operation on ?

  1. Non Numerical data
  2. Numerical data
  3. Both of above
  4. None of above

• 20. What Mnemonic represents ?

  1. Strings
  2. Physical Address
  3. Operation Address
  4. Operation codes