Computer System Architecture Questions Answers

• 22. Which devices among following are usually designed on the complex electromechanical principle ?

  1. Printing devices
  2. Input devices
  3. Storage devices
  4. Peripheral devices

  Answer :

  Option B

• 23. 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

  Answer :

  Option C

• 24. What is full form of LED ?

  1. Low Emitting Diode
  2. Light Emitting Diode
  3. Light Emitting Data
  4. Light Encounter Diode

  Answer :

  Option B

  Explanation:

  In optical mouse we use pair of LED.

• 25. One byte equals to how many bits ?

  1. 4 bits
  2. 8 bits
  3. 12 bits
  4. 16 bits

  Answer :

  Option B

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

  1. Magnetic disk
  2. Optical disk
  3. Floppy disk
  4. ROM

  Answer :

  Option B

• 27. Which system was used extensively by early mini computers ?

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

  Answer :

  Option D

  Explanation:

  Note : Please note that question is asked about early mini computers.

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

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

  Answer :

  Option B