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Questions and Answers
What is the main difference between synchronous and asynchronous state transitions in flip-flops?
What is the main difference between synchronous and asynchronous state transitions in flip-flops?
- State transitions occur independently of any clock in asynchronous transitions. (correct)
- All state transitions are controlled by a common clock in synchronous transitions.
- Changes in all variables occur concurrently in synchronous transitions.
- Changes in all variables do not necessarily occur concurrently in asynchronous transitions.
What is the primary function of flip-flops in digital circuits?
What is the primary function of flip-flops in digital circuits?
- Act as bi-stable multivibrators (correct)
- Serve as building blocks for combinational circuits
- Conduct data transfer when the switch is on
- Control the duration of the pulse
How are latches different from flip-flops in terms of input sensitivity?
How are latches different from flip-flops in terms of input sensitivity?
- Both latches and flip-flops are sensitive to the duration of the pulse.
- Neither latches nor flip-flops are sensitive to the duration of the pulse.
- Latches are sensitive to the duration of the pulse, while flip-flops are not. (correct)
- Flip-flops are sensitive to the duration of the pulse, while latches are not.
What is the purpose of the R (RESET) and S (SET) inputs in NAND-NOR latches (SR latches)?
What is the purpose of the R (RESET) and S (SET) inputs in NAND-NOR latches (SR latches)?
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What characteristic defines Q and Q' outputs in NAND-NOR latches (SR latches)?
What characteristic defines Q and Q' outputs in NAND-NOR latches (SR latches)?
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What is the additional input in a gated latch called?
What is the additional input in a gated latch called?
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What is the simple rule for the D latch?
What is the simple rule for the D latch?
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What type of flip-flop changes state either at positive or negative edge of the clock pulse?
What type of flip-flop changes state either at positive or negative edge of the clock pulse?
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What type of flip-flop requires a complete pulse (0→1 →0) in order to change the output?
What type of flip-flop requires a complete pulse (0→1 →0) in order to change the output?
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What are data lock-out flip-flops also known as?
What are data lock-out flip-flops also known as?
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