Discussion
Which of the following choices meets the minimum requirement needed to create specialized waveforms that are used in digital control and sequencing circuits?
Answer: A
Correct answer: basic gates, a clock oscillator, and a repetitive waveform generator
The minimum set is a clock to provide timing, a repetitive waveform generator such as a counter to divide that clock into a sequence, and basic gates to decode the sequence into the particular waveform wanted. The option adding a Johnson counter as well goes beyond the minimum, which is what the question asks for.
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