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WorksheetsLogic Gates
Total questions: 15
Worksheet time: 5mins
1. The output of a two input OR gate is zero, only when ______
its both inputs are one
its either input : is zero
its both inputs are zero
its either input is zero
The output of a two input AND gate is one only when_______
its either input is one
its both inputs are one
its either input is zero
its both inputs are zero
An AND gate_________
is equivalent to a series switching circuit
is equivalent to a parallel switching circuit
is a universal gate
is a combination of series and switching circuits
If two inputs of a NAND gate are shorted, then it is equivalent to________
an OR gate
a NOT gate
AND gate
NOR gate
The output logic level of an OR gate is one________
if both inputs are zero
only if both inputs are one
if either or both inputs are one
if the inputs are neither zero nor one
Which one of the following gates is not a basic gate______
AND
OR
NOR
NOTNOT
The inverter is__________
an NOR gate
A NOT gate
an AND gate
combination of OR and AND gate
A NOR gate gives ___________
high output when both inputs are high
high output when both inputs are low
low output when both inputs are low
high output when one input is low and the other input is high
For which logic gate the following statement is true ? All low inputs produce a high output_______
OR
AND
NAND
NOT
For which logic gate the following statement is true ? The output is high, if and only if all inputs are high_______
AND
OR
NAND
NOR
The truth table of a logic gate is a table________
giving only the true numbers
rejecting only the wrong numbers
giving the relation-between the input and output variables of a logic gate
which gives all the possible input logic levels and the corresponding resultant logic levels in the output.
For a two input logic gate, the truth table has 4 possible input combinations. For a 3 input logic gate the number of combinations (entries) in the input side of the truth table are_______
4
6
8
10
The logic expression y = ABC is read as_______
y is equal to A plus B plus C
y is equal to A or B or C
y is equal to A and B and C
y is equal to A dot B dot C
For which logic gate the following statement is true ? The output is low if and only if all the inputs are high ___________
NAND
NOR
OR
AND
NAND gate is combination of ________
AND gate and OR gate
AND gate and NOT gate
NOT gate and OR gate
AND gate and AND gate
