Digital Logic - Combinational Circuits

66:  

An example of a universal building block is:

A.

EX-OR gate

B.

AND gate

C.

OR gate

D.

NOR gate

 
 

Option: D

Explanation :

Click on Discuss to view users comments.

Write your comments here:



67:  

The dual ofthe switching function x + yz is:

A.

x+yz

B.

x̄ + ȳz̄

C.

x(y+z)

D.

x̄(ȳ + z̄)

 
 

Option: C

Explanation :

Click on Discuss to view users comments.

mahmoud said: (4:56am on Thursday 5th April 2018)
why answer isn't D?!

Write your comments here:



68:  

The characteristic equation of D flip-flop is:

A.

Q = 1

B.

Q = 0

C.

Q = D̄

D.

Q= D

 
 

Option: D

Explanation :

Click on Discuss to view users comments.

Write your comments here:



69:  

If four 4 input multiplexers drive a 4 input multiplexer, we get a:

A.

16 input MUX

B.

8 input MUX

C.

4 input MUX

D.

2 input MUX

 
 

Option: A

Explanation :

Click on Discuss to view users comments.

Write your comments here:



Related MCQ