Digital Electronics - Combinational Logic Circuits

Exercise :: Combinational Logic Circuits - Filling the Blanks

1. 

For the XNOR gate truth table shown below, the values for w, x, y, and z are ____, ____, ____, and ____, respectively.

A. 1, 0, 0, 1
B. 0, 1, 0, 1
C. 1, 1, 1, 0
D. 1, 0, 0, 0

Answer: Option A

Explanation:

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

2. 

A half-adder does not have ________.

A. carry in
B. carry out
C. two inputs
D. all of the above

Answer: Option A

Explanation:

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

3. 

The equation ________ cannot be further simplified.

A.
B.
C.
D.

Answer: Option A

Explanation:

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

4. 

________ is a correct combination for an ODD-parity data transmission system.

A. data = 1101 1011
parity = 1
B. data = 1101 0010
parity = 0
C. data = 0001 0101
parity = 1
D. data = 1010 1111
parity = 0

Answer: Option A

Explanation:

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

5. 

A circuit that can convert one of ten numerical keys pressed on a keyboard to BCD is a ________.

A. priority encoder
B. decoder
C. multiplexer
D. demultiplexer

Answer: Option A

Explanation:

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

1 2 3 4 5 6 7 8 Next »