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Electronics and Communication Engineering - Microprocessors

Exercise : Microprocessors - Section 9
1.
For a 16 bit computer the range of integer constants in C is
-32768 to + 32767
-32767 to + 32768
-65536 to + 65535
-65535 to + 65536
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
In which group of 8085 instructions condition flags are not affected?
Data transfer group
Arithmetic group
Logical group
Both (a) and (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
In 8085, the instruction CMA is an example of
Implict addressing
Direct addressing
Register addressing
Immediate addressing
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.

Assertion (A): Static RAMS are used where speed of operation is of primary concern.

Reason (R): Dynamic RAM has lower cost per bit than static RAM.

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.
5.
In 8085 the time required to add two 32 bit numbers is (if clock frequency is 5 MHz)
about 1 ns
about 1 μs
about 30 μs
about 100 μs
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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