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. 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

2. Which memory is assembled between main memory and CPU ?

Primary Memory
Secondary Memory
Registers
Cache Memory

Answer: Option D

3. Which system has a base or radix of 10 ?

Binary
Octal
Hexadecimal
Decimal

Answer: Option D

4. In which of the following status flags required for data transfer are present ?

Interface Circuit
Parallel Line
Device Circuit
None of Above

Answer: Option A

5. A keyboard has which type of asynchronous transfer mode ?

Serial
Parralel
Optimal
Joint

Answer: Option A

Explanation:

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

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