Which statement about the NOT gate is true?

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Prepare for the IGCSE Algorithms and Pseudocode Exam. Study with comprehensive questions covering key algorithms and pseudocode techniques. Access hints and explanations to gear up for your exam success!

Multiple Choice

Which statement about the NOT gate is true?

Explanation:
A NOT gate is an inverter: its job is to output the opposite of the input. If the input is true (high), the output becomes false (low); if the input is false (low), the output becomes true (high). This is exactly what the statement about flipping true to false describes. It does not pass the signal unchanged like a buffer, it does not convert the signal to analog, and it does not amplify the signal.

A NOT gate is an inverter: its job is to output the opposite of the input. If the input is true (high), the output becomes false (low); if the input is false (low), the output becomes true (high). This is exactly what the statement about flipping true to false describes. It does not pass the signal unchanged like a buffer, it does not convert the signal to analog, and it does not amplify the signal.

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