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Electronics and Communication Engineering - Microprocessors

Exercise : Microprocessors - Section 12
1.
Which of the following is a valid logical expression in Pascal?
2.5 : = A
(A + B) < < (C + D)
A = < B
A > = B
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
In a typical microcomputer data transfer takes place between
μP and memory
μP and I/O devices
memory and I/O devices
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
In 8085 the pins for + 5 V input and ground are
20 and 40 respectively
40 and 20 respectively
1 and 2 respectively
1 and 1 respectively
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
The normalised form of 1.81 x 10-11 is
18.1 x 10-12
18.1 x 10-13
0.181 x 10-10
0.0181 x 10-9
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
'Burst refresh' in DRAM is also called
Concentrated refresh
Distributed refresh
Hidden refresh
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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