Electronics and Communication Engineering - Digital Electronics

41. 

For the K map of the given figure the simplified Boolean expression is

A. AC + A B
B. A BC + A B C + A B C + AB C
C. AC + A B + AC
D. A C + A B + AB

Answer: Option A

Explanation:

No answer description available for this question. Let us 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.

A. Both A and R are correct and R is correct explanation of A
B. Both A and R are correct but R is not correct explanation of A
C. A is true, R is false
D. A is false, R is true

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

43. 

In a ring counter for N clock pulses the scale for the counter is

A. N : 1
B. N : 2
C. N : 10
D. N : 100

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

44. 

Assuming accumulator contain A 64 and the carry is set (1). What will register A and (CY) contain after XRA A?

A. A 6 H, 1
B. A 6 H, 0
C. 00 H, 0
D. 00 H, 1

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

45. 

2's complement of (-24) =

A. 11101000
B. 01001000
C. 01111111
D. 00111111

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.