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Electronics and Communication Engineering - Digital Electronics

Exercise : Digital Electronics - Section 14
41.

Assertion (A): In hybrid digital circuits the problem of logic race can occur.

Reason (R): In two level logic there is no problem of logic race.

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 true, R is false
A is false, R is true
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
What is the memory word size of 8085 μp?
6 bits
8 bits
12 bits
16 bits
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
The characteristic equation of an SR flip-flop in given by
Qn+1 = S + RQn
Qn+1 = RQn + SQn
Qn+1 = S + RQn
Qn+1 = S + RQn
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
Binary number 101101 when converted to its 2's complement will become
0101.01
0100.10
0100.10
0101.10
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.

Assertion (A): In a BCD to 7 segment decoder the number of outputs active at one time is always the same.

Reason (R): A decoder can be used to interface BCD input to LED display.

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 true, R is false
A is false, R is true
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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