Digital Logic Design MCQs | STS IBA FPSC BPSC SPSC PPSC Mcqs Test Preparation
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What is a ‘flip-flop’ used for in digital circuits?
A. To store a single bit of data
B. To amplify signals
C. To convert analog signals to digital
D. To perform arithmetic operations
Answer: To store a single bit of data
What is a ‘seven-segment display’ used for?
A. To display decimal numbers in a format using seven segments
B. To convert digital signals to analog
C. To store binary data
D. To perform arithmetic operations
Answer: To display decimal numbers in a format using seven segments
What is a ‘multiplexer’ (MUX)?
A. A device that selects one of many inputs and forwards it to a single output
B. A type of memory storage
C. A signal amplifier
D. A device for converting analog signals
Answer: A device that selects one of many inputs and forwards it to a single output
What does a ‘demultiplexer’ (DEMUX) do?
A. Distributes a single input to multiple outputs
B. Combines multiple inputs into a single output
C. Converts digital signals to analog
D. Amplifies signals
Answer: Distributes a single input to multiple outputs
What is the function of a ‘flip-flop’?
A. To store a single bit of data
B. To perform arithmetic operations
C. To amplify signals
D. To convert digital signals to analog
Answer: To store a single bit of data
What does ‘digital logic’ refer to?
A. The use of logic gates and circuits to process digital signals
B. The conversion of analog signals to digital
C. The storage of binary data
D. The amplification of digital signals
Answer: The use of logic gates and circuits to process digital signals
What is the function of a ‘memory unit’ in a computer?
A. To store data and instructions
B. To perform arithmetic operations
C. To convert analog signals to digital
D. To amplify signals
Answer: To store data and instructions
What does a ‘digital timer’ do?
A. Measures time intervals and generates time-based signals
B. Stores binary data
C. Converts analog signals to digital
D. Performs arithmetic operations
Answer: Measures time intervals and generates time-based signals
What is a ‘counter IC’?
A. An integrated circuit designed for counting purposes
B. A type of signal amplifier
C. A memory storage device
D. A converter for analog signals
Answer: An integrated circuit designed for counting purposes