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Flip-Flops
An astable multivibrator is sometimes referred to as a clock.
True
Correct Answer:
True
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Flip-Flops
The 7476 and 74LS76 are both dual flip-flops.
An input which can only be accepted when an enable or trigger is present is called asynchronous.
The key to edge-triggered sequential circuits in VHDL is the ________.
Setup time specifies ________.
The inputs on a 7474 D flip-flop are S, R, D, and CLK ________ is/are synchronous.
An edge-triggered flip-flop can change states only when ________.
The 74121 nonretriggerable multivibrator can have the output pulse set by a single external component. This component is a(n) ________.
In VHDL, each instance of a component is given a name followed by a ________ and the name of the library primitive.
In synchronous systems, the exact times at which any output can change state are determined by a signal commonly called the ________.
Assume a J-K flip-flop has 1s on the J and K inputs. The next clock pulse will cause the output to ________.
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