The circuit given below in the figure below is

2016

The circuit given below in the figure below is

Answer: A. An oscillating circuit and its output is square wave

1. A.

   An oscillating circuit and its output is square wave

2. B.

   The one whose output remains stable in '1' state

3. C.

   The one having output remains stable in '0' state

4. D.

   has a single pulse of three times propagation delay

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