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. Asynchronous means ?

Not in step with the elapse of time
Not in step with the elapse of address
Not in step with the elapse of data
Not in step with the elapse of control

Answer: Option A

2. 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

3. The performance of the cache memory is measured in terms of ?

Hit Ratio
Chat Ratio
Copy Ratio
Data Ratio

Answer: Option A

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. Which register is memory pointer ?

Source index
Instruction register
Stack pointer
Program counter

Answer: Option D

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