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Electronics and Communication Engineering - Digital Electronics

Exercise : Digital Electronics - Section 9
41.
For the K map of the given figure the simplified Boolean expression is
AC + A B
A BC + A B C + A B C + AB C
AC + A B + AC
A C + A B + AB
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.

Assertion (A): It is possible that a digital circuit gives the same output for different input voltages

Reason (R): A digital circuit is also called logic circuit.

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.
43.
In a ring counter for N clock pulses the scale for the counter is
N : 1
N : 2
N : 10
N : 100
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
Assuming accumulator contain A 64 and the carry is set (1). What will register A and (CY) contain after XRA A?
A 6 H, 1
A 6 H, 0
00 H, 0
00 H, 1
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
2's complement of (-24) =
11101000
01001000
01111111
00111111
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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