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. Instruction that are used for reading from memory by an IOP called ?

Commands
Pulses
Blocks
Interrupt

Answer: Option A

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

Polling
Daisy chaining
Priority interrupt
All of above

Answer: Option C

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

Circular queue
Hold and Wait
Mutual exclusion
Non preemption

Answer: Option C

4. ____ processor has to check continuously till device becomes ready for transferring the data ?

DMA
Interrupt-initiated I/O
IOP
DCP

Answer: Option B

5. What is full form of LSD ?

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

Answer: Option D

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