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Electronics and Communication Engineering - Digital Electronics

Exercise : Digital Electronics - Section 23
31.
The dual of the function A(BC + BC + BC) is
A + (B + C) (B + C) (B + C)
A (BC + BC + BC)
C(BA + CA + CA)
ABC + ABC + ABC
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
Assuming accumulator contain A 64 and the carry is set (1). What will register A and (CY) contain after ACI 0 A4 H?
4 AH, 0
4 AH, 1
4 BH, 0
4 BH, 1
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
For the shaded area in Venn diagram of the given figure, the Boolean expression is
AB + BC + CA
ABC + A B C
ABC + A B C
ABC+AB
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
If an inverter is placed at the input to an SR flip-flop, the result is
T flip-flop
D flip-flop
JK flip-flop
BCD decade counter
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
What is the direction of control bus?
Unidirectional into μp
Unidirection out of μp
Bidirectional
Mixed direction, i.e., some lines into μp an some others out of μp
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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