Digital Logic Design MCQs | STS IBA FPSC BPSC SPSC PPSC Mcqs Test Preparation
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What is the role of a ‘clock divider’ in digital circuits?
A. To divide the frequency of the input clock signal
B. To amplify signals
C. To convert digital signals to analog
D. To store data
Answer: To divide the frequency of the input clock signal
What does ‘binary coded decimal’ (BCD) mean?
A. A binary-encoded representation of decimal numbers
B. A method for converting analog signals to digital
C. A type of digital storage
D. A signal amplification technique
Answer: A binary-encoded representation of decimal numbers
What is a ‘digital signal processor’ (DSP)?
A. A specialized microprocessor designed to perform digital signal processing operations
B. A type of memory storage
C. A signal amplifier
D. A device for converting analog signals
Answer: A specialized microprocessor designed to perform digital signal processing operations
What is the purpose of a ‘timing diagram’?
A. To visually represent the behavior of digital circuits over time
B. To store binary data
C. To perform arithmetic operations
D. To amplify signals
Answer: To visually represent the behavior of digital circuits over time
What is a ‘state machine’ in digital logic?
A. A model used to describe the behavior of a system with different states
B. A device for converting signals
C. A type of storage device
D. A signal amplifier
Answer: A model used to describe the behavior of a system with different states
What does an ‘analog-to-digital converter’ (ADC) do?
A. Converts analog signals into digital signals
B. Converts digital signals into analog signals
C. Stores binary data
D. Amplifies signals
Answer: Converts analog signals into digital signals
What is the role of a ‘digital-to-analog converter’ (DAC)?
A. To convert digital signals into analog signals
B. To store binary data
C. To perform logical operations
D. To amplify signals
Answer: To convert digital signals into analog signals
What is a ‘decoder’ used for in digital logic design?
A. To convert binary data to a decimal or other format
B. To perform arithmetic operations
C. To store data
D. To amplify signals
Answer: To convert binary data to a decimal or other format
What does a ‘flip-flop’ do?
A. Stores a single bit of data and changes state based on input conditions
B. Performs arithmetic operations
C. Amplifies signals
D. Converts digital signals to analog
Answer: Stores a single bit of data and changes state based on input conditions