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Digital Concepts - Technical MCQs

Q1:

The invalid range for an input to TTL logic is from ________.

A 0 to 0.8 V

B 1.2 to 1.6 V

C 0.8 to 2.0 V

D 2.0 to 5.0 V

ANS:C - 0.8 to 2.0 V

Acceptable- valid range for an input to TTL logic is from 0 to 0.8 and 2.0 to 5.0 volts.