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Electronics and Communication Engineering - Microprocessors

Exercise : Microprocessors - Section 7
6.
The number of select lines in ALU 1C 74181 is
2
4
8
16
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
In a computer MPU is the centre of all operations and control.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.

Assertion (A): A RAM with access time of the order of hundreds of nano seconds is suitable for a control memory.

Reason (R): The time taken to execute an operation in a microcomputer is critically de pendent on access time of control memory.

Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is correct R is wrong
A is wrong R is correct
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
The statement ! (b < 5) in C means
b = 5
b > 5
b > = 5
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
Which data transfer scheme is used when large block of data is to be transferred in a computer?
DMA
Programmed data transfer
Either (a) or (b)
Neither (a) nor (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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