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Flip-Flops
A flip-flop's normal starting state when power is first applied to a circuit is always the SET state.
True
False
Correct Answer:
False
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Flip-Flops
Multivibrators must be level-triggered.
Simple gate circuits, combinational logic, and transparent S-R flip-flops are synchronous.
The 555 timer can be used in either the astable or monostable modes.
The Q output of a flip-flop is normally HIGH when the device is in the "CLEAR" or "RESET" state.
The S-R flip-flop has no invalid or unused state.
A one-shot circuit is also known as a timer.
Generally, a flip-flop's hold time is short enough so that its output will go to a state determined by the logic levels present at its synchronous control inputs just prior to the active clock transition.
Inputs that cause the output of a flip-flop to change instantaneously are asynchronous.
When the output of the NOR gate S-R flip-flop is and , the inputs are .
Some flip-flops have invalid states.
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