Exam Questions Paper - ECE Questions and Answers

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Which of the following conditions should be satisfied to call an astable multivibrator circuit using discrete components as a digital circuit?

A flip-flop is always a digital circuit.
Only when we assign 1 and 0 to the high and low levels of the output, a flip-flop is called a digital circuit.
Only if the power, supply voltage is maintained at + 5 V or - 5 V, it is called a digital circuit.
Only if it is in IC form, following the technology of IC manufacture, it is called a digital circuit.

Select the correct answer from the codes given below:

1 only

2 and 3

2 only

3 and 4