This circuit is designed using negative logic.

A boolean variable can hold a value of true or false.

This logic gate is a basic component of electronic circuits.

He is skilled in designing logic circuits.

He lost everything.

She is planning a date with her current boyfriend.

My boyfriend gave me a gift.

Everyone was surprised by the news.

He learned the old character form of 學 to study ancient documents.

He likes to take a walk in the park at dusk.