Computer System Architecture Questions Answers

• 15. The operating mode of I/O devices is __ for different devices ?

  1. Same
  2. Different
  3. Optimum
  4. Medium

  Answer :

  Option B

• 16. Three bit binary numbers can be represented by ?

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

  Answer :

  Option D

• 17. Which memory is assembled between main memory and CPU ?

  1. Primary Memory
  2. Secondary Memory
  3. Registers
  4. Cache Memory

  Answer :

  Option D

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

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

  Answer :

  Option C

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

  1. 1:6
  2. 2:5
  3. 3:7
  4. 6:7
  5. Serial
  6. Parralel
  7. Optimal
  8. Joint

  Answer :

  Option E

  Explanation:

  In serial transfer each bit is sent one after the another in a sequence of event and requires just one line.

• 20. Which operation with floating point numbers are more complicated then arithmetic operation with fixed point number ?

  1. Logical operation
  2. Arithmetic operation
  3. Both of above
  4. None of above

  Answer :

  Option B

• 21. A microprogram is sequencer perform the operation ?

  1. Read
  2. Write
  3. Read and Write
  4. Read and Execute

  Answer :

  Option D