Computer Studies Practice Test – Logic Circuits (Questions with Answers and Explanations)

Hello and Welcome to Computer Studies Practice Test - Logic Circuits

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When signals X = 0 and Y = 1, signal Z is ______ (WASSCE 2015)

A. 0.1
B. 0
C. 1
D. 0 + 1


The   represents ______ gate. 

A. AND
B. NOR
C. NAND
D. NOT


If P =1 and Q = 1, find the value of NOT(P and Q). (NECO 2014)

A. 0     
B. 0 and 1   
C. 1   
D. 1 and 0


The function of a “NOT gate” is to ________ (NECO 2018)

A. act as a universal signal.
B. implement logic addition.
C. invert an input or output signal.
D. stop a signal.



The above Figure represents ______ (WASSCE 2015)

A. a NOT gate.
B. a NAND gate.
C. an AND gate.
D. an OR gate.

 

 

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