Digital Electronics - Combinational Logic Circuits

Exercise : Combinational Logic Circuits - General Questions
41.

For a two-input XNOR gate, with the input waveforms as shown below, which output waveform is correct?

a
b
c
d
Answer: Option
Explanation:
No answer description is available. Let's discuss.

42.
A certain BCD-to-decimal decoder has active-HIGH inputs and active-LOW outputs. Which output goes LOW when the inputs are 1001?
0
3
9
None. All outputs are HIGH.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

43.

Solve the network in the figure given below for X.

A + BC + D
((A + B)C) + D
D(A + B + C)
(AC + BC)D
Answer: Option
Explanation:
No answer description is available. Let's discuss.

44.
A full-adder has a Cin = 0. What are the sum () and the carry (Cout) when A = 1 and B = 1?
= 0, Cout = 0
= 0, Cout = 1
= 1, Cout = 0
= 1, Cout = 1
Answer: Option
Explanation:
No answer description is available. Let's discuss.

45.

What type of logic circuit is represented by the figure shown below?

XOR
XNOR
XAND
XNAND
Answer: Option
Explanation:
No answer description is available. Let's discuss.