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