Logic Circuits - SS2 ICT Past Questions and Answers - page 1
What is a logic gate?
An electronic device for analog signal processing
A building block for digital electronic circuits
A sensor for measuring temperature
A component used in mechanical systems
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Which logic gate produces an output of 1 only when all input signals are 1?
AND gate
OR gate
NOT gate
XOR gate
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In a NOT gate, what is the output when the input is 0?
0
1
-1
Depends on other inputs
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The XOR gate produces an output of 1 when the number of input signals that are 1 is:
Even
Odd
Prime
Always 1
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Which logic gate acts as an OR gate followed by a NOT gate?
AND gate
NOR gate
XOR gate
NAND gate
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What is the output of a NAND gate if one of its inputs is 0?
0
1
Cannot determine
Depends on other inputs
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Which logic gate's output is the opposite of the OR gate's output?
XOR gate
XNOR gate
NAND gate
NOR gate
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A NOT gate is also known as:
Inverter
Repeater
Switch
Flip-flop
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How does an XNOR gate behave in terms of input signals?
Produces 1 for even number of input 1s
Produces 1 for odd number of input 1s
Always produces 1
Always produces 0
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Which type of gate is used to add binary numbers in digital circuits?
AND gate
OR gate
XOR gate
Adder gate
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