Digital Logic Design MCQs | STS IBA FPSC BPSC SPSC PPSC Mcqs Test Preparation
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Which type of logic gate is used to construct an XOR gate?
A. AND, OR, and NOT gates
B. NAND gates
C. NOR gates
D. Only XOR gates
Answer: AND, OR, and NOT gates
What does ‘static RAM’ (SRAM) do?
A. Stores data in a stable state as long as power is supplied
B. Converts signals
C. Filters data
D. Performs arithmetic operations
Answer: Stores data in a stable state as long as power is supplied
What is a ‘ripple carry adder’?
A. A type of binary adder that handles carry propagation one bit at a time
B. A device that filters digital signals
C. A circuit for amplifying analog signals
D. A type of memory storage
Answer: A type of binary adder that handles carry propagation one bit at a time
What is the function of a ‘synchronous counter’?
A. To count events or pulses in synchronization with a clock signal
B. To store data
C. To amplify signals
D. To filter noise
Answer: To count events or pulses in synchronization with a clock signal
What is the purpose of a truth table in designing a digital circuit?
A. To display the outputs for all possible input combinations
B. To calculate circuit resistance
C. To list circuit components
D. To measure signal frequencies
Answer: To display the outputs for all possible input combinations
What is the main advantage of using digital logic over analog circuits?
A. Digital logic circuits are less susceptible to noise and interference
B. Analog circuits are more accurate
C. Analog circuits are easier to design
D. Digital circuits use less power
Answer: Digital logic circuits are less susceptible to noise and interference
What is the purpose of a clock signal in sequential circuits?
A. To synchronize the operations of flip-flops and other sequential elements
B. To amplify signals
C. To convert analog signals to digital
D. To filter noise
Answer: To synchronize the operations of flip-flops and other sequential elements
What does the term ‘Boolean algebra’ refer to?
A. A mathematical system for analyzing and designing digital circuits
B. A type of arithmetic operation
C. A method for converting signals
D. A set of physical laws
Answer: A mathematical system for analyzing and designing digital circuits
Which logic gate is often used to perform the NOT operation in a circuit?
A. NOT gate
B. OR gate
C. AND gate
D. NAND gate
Answer: NOT gate