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How must the output of a gate in TTL digital circuit act when it is HIGH?

Question

How must the output of a gate in TTL digital circuit act when it is HIGH?

A.

Acts as a Voltage Source

B.

Acts as a Current Sink

C.

Acts as a Current Source

D.

Acts as a Voltage Sink

Solution

Correct option is C

In Transistor-Transistor Logic (TTL) circuits, when the output of a gate is HIGH (logic 1), it typically acts as a current source.

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