Q. When transistors are used in digital circuits they usually operate in the
Solution:
- The transistor works as a closed switch in the saturation area and as an open switch in the cutoff zone.
- Digital circuits operate 0 or 1 in binary form. So saturation and cut off regions can operate the circuit.
- In the saturation zone (closed switch), output ?1? is produced, whereas in the cut off zone (open switch), output ?0? is produced.
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