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Electronics and Communication Engineering - Microprocessors

Exercise : Microprocessors - Section 9
36.

Assertion (A): C allows the use of logical operators, AND, OR, NOT.

Reason (R): C has logical operators as well as bitwise operators like AND, OR etc.

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.
37.
The read and write cycle times of cache memory are in the range of
1 - 3 ns
25 ns - 45 ns
200 ns - 300 ns
1 μs
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
In 8086
the registers SI and DI are used for string operation
the registers CS and DS are used for string operation
the registers SS and ES are used for string operation
the registers SI and SP are used for string operation
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
In which of the following logical group instructions of 8085 do the contents of accumulator remain unchanged?
ORA r
ORA M
ORI data
CMP r
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
If quadratic equation x2 - 1000x + 25 = 0 is solved using floating point arithmetic with 4 digit mantissa, the roots are
.1000 E 4 and .1000 E 4 respectively
.0000 E 4 and .0000 E 4 respectively
.1000 E 4 and .0000 E 4 respectively
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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