Digital Logic Design MCQs | STS IBA FPSC BPSC SPSC PPSC Mcqs Test Preparation
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What is the function of a ‘register’ in digital systems?
A. To store multiple bits of data
B. To perform arithmetic operations
C. To amplify signals
D. To convert analog signals to digital
Answer: To store multiple bits of data
What is a ‘parallel data transmission’?
A. Sending multiple bits simultaneously over multiple channels
B. Sending data one bit at a time over a single channel
C. Converting analog signals to digital
D. Storing binary data
Answer: Sending multiple bits simultaneously over multiple channels
What is a ‘data latch’ used for?
A. To hold and store a binary data value until it is needed
B. To amplify signals
C. To convert digital signals to analog
D. To perform arithmetic operations
Answer: To hold and store a binary data value until it is needed
What does ‘serial data transmission’ mean?
A. Sending data one bit at a time over a single channel
B. Sending multiple bits simultaneously over multiple channels
C. Converting analog signals to digital
D. Storing binary data
Answer: Sending data one bit at a time over a single channel
What is the role of ‘logic gates’ in digital circuits?
A. To perform basic logical operations on binary inputs
B. To store data
C. To amplify signals
D. To convert digital signals to analog
Answer: To perform basic logical operations on binary inputs
What does an ‘adder-subtractor circuit’ do?
A. Performs both addition and subtraction operations on binary numbers
B. Converts analog signals to digital
C. Stores binary data
D. Amplifies digital signals
Answer: Performs both addition and subtraction operations on binary numbers
What is the purpose of a ‘state transition diagram’?
A. To represent the changes in state of a finite state machine
B. To perform arithmetic operations
C. To amplify digital signals
D. To convert digital signals to analog
Answer: To represent the changes in state of a finite state machine
What is a ‘clock pulse’ in digital circuits?
A. A regular signal used to synchronize operations
B. A type of signal amplifier
C. A method for converting analog signals to digital
D. A storage device
Answer: A regular signal used to synchronize operations
What is ‘Boolean algebra’ used for in digital logic design?
A. To simplify and analyze digital circuits
B. To store binary data
C. To perform arithmetic operations
D. To convert analog signals to digital
Answer: To simplify and analyze digital circuits