Digital Logic Design MCQs | STS IBA FPSC BPSC SPSC PPSC Mcqs Test Preparation
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What does a ‘counter’ do in digital logic design?
A. Counts the number of occurrences of an event
B. Stores binary data
C. Performs arithmetic operations
D. Converts analog signals to digital
Answer: Counts the number of occurrences of an event
What is a ‘RAM’ (Random Access Memory)?
A. A type of memory that can be read from and written to
B. A type of permanent storage
C. A signal amplifier
D. A device for converting analog signals
Answer: A type of memory that can be read from and written to
What is the function of a ‘ROM’ (Read-Only Memory)?
A. To store data that cannot be modified
B. To perform arithmetic operations
C. To amplify digital signals
D. To convert analog signals to digital
Answer: To store data that cannot be modified
What is a ‘RIPPLE counter’?
A. A type of asynchronous counter where each flip-flop is triggered by the preceding one
B. A device for signal amplification
C. A type of data storage device
D. A converter for analog signals
Answer: A type of asynchronous counter where each flip-flop is triggered by the preceding one
What does an ‘asynchronous counter’ do?
A. Counts events without relying on a common clock signal
B. Performs binary addition
C. Stores binary data
D. Amplifies digital signals
Answer: Counts events without relying on a common clock signal
What does a ‘priority encoder’ do?
A. Encodes multiple input signals into a binary output based on priority
B. Decodes binary data
C. Performs arithmetic operations
D. Amplifies signals
Answer: Encodes multiple input signals into a binary output based on priority
What is the purpose of a ‘synchronous counter’?
A. To count events in sync with a clock signal
B. To store data
C. To perform binary multiplication
D. To convert analog signals
Answer: To count events in sync with a clock signal
What is a ‘ring counter’?
A. A type of counter that cycles through a fixed sequence of states
B. A device for converting digital to analog signals
C. A storage device
D. A type of amplifier
Answer: A type of counter that cycles through a fixed sequence of states
What is the ‘J-K flip-flop’ used for?
A. To toggle between states or hold data based on input conditions
B. To amplify analog signals
C. To store binary data
D. To convert digital signals to analog
Answer: To toggle between states or hold data based on input conditions