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Question Detail

What is full form of LED ?

  • Low Emitting Diode
  • Light Emitting Diode
  • Light Emitting Data
  • Light Encounter Diode

Answer: Option B

Explanation:

In optical mouse we use pair of LED.

Similar Questions :

1. 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

2. An exception condition in a computer system caused by an event external to the CPU is known as ?

  • Halt
  • Process
  • Interrupt
  • None of above

Answer: Option C

Explanation:

In my own experience I found very few questions with answer "None of above", if you do not know the answer then its always better to guess among other (If there is no negative marking) ;)

3. What is full form of LSD ?

  • Less significant data
  • Less significant digit
  • Least significant data
  • Least significant digit

Answer: Option D

4. User programs interact with I/O devices through ?

  • Operating System
  • Hardware
  • Buses
  • Processor

Answer: Option A

5. Which exception is also known software interrupt ?

  • Trap
  • Call
  • System Call
  • All of above

Answer: Option C

Read more from - Computer System Architecture Questions Answers
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