Logic Circuits IV - SS2 ICT Past Questions and Answers - page 1
What is the primary function of logic gates in digital circuits?
Generating random outputs
Processing analog signals
Performing mathematical calculations
Processing binary information
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Which logic gate can be used to construct all other logic gates?
AND gate
OR gate
NAND gate
XOR gate
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Which logic gate acts as an OR gate followed by a NOT gate?
XOR gate
NOR gate
XNOR gate
NAND gate
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What is the purpose of a multiplexer (mux) in digital systems?
Perform addition operations
Store binary information
Select and route signals
Filter noise
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In a Schmitt trigger gate, what feature distinguishes it from basic gates?
Universal functionality
Hysteresis
Exclusive OR operation
Bipolar voltage supply
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Which logic gate is used for error detection and correction?
AND gate
XOR gate
OR gate
XNOR gate
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What is the output of an XOR gate if both inputs are the same?
0
1
Undefined
It depends on the gate's configuration
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Which logic gate is used for data comparison and selection?
NAND gate
OR gate
XOR gate
Mux (multiplexer)
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Which gate is considered universal because it can be used to create any other gate?
NOR gate
XOR gate
AND gate
NOT gate
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What does a buffer gate do in a digital circuit?
Processes analog signals
Performs logical operations
Filters noise
Passes input to output
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