A sequential circuit design is used to ________. count up count down decode an e

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Question
A sequential circuit design is used to ________.
Options
A. count up
B. count down
C. decode an end count
D. count in a random order

Correct Answer

count in a random order

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1. An asynchronous binary up counter, made from a series of leading edge-triggered flip-flops, can be changed to a down counter by ________.
Options
A. taking the output on the other side of the flip-flops ( instead of Q)
B. clocking of each succeeding flip-flop from the other side ( instead of Q)
C. changing the flip-flops to trailing edge triggering
D. all of the above

2. It is a characteristic of ring counters that the ________ equal to the number of flip-flops in the register.
Options
A. number of invalid states is
B. number of CASE statements is
C. modulus is
D. other states are

3. A(n) ________ one-shot starts a pulse in response to a trigger and will restart the internal pulse timer every time a subsequent trigger edge occurs before the pulse is complete.
Options
A. non-retriggerable
B. retriggerable
C. high-level triggered
D. edge-triggered

7. One method of troubleshooting involves ________ the circuit under test with a ________ or ________ and then observing the output to check for proper bit patterns.
Options
A. checking, voltmeter, ohmmeter
B. exercising, stimulus, test pattern
C. testing, scope, logic analyzer
D. smashing, hammer, axe

9. Many parallel counters use ________ presetting whereby the counter is preset on the active transition of the same clock signal that is used for counting.
Options
A. feedback
B. synchronous
C. ripple
D. asynchronous

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