Which of the following is NOT one of the five basic logic gates?

The correct response is that a buffer is not considered one of the five basic logic gates. The five fundamental logic gates in digital electronics are AND, OR, NOT (also known as an inverter), NAND, and NOR. Each of these gates performs a specific logical operation and serves as the building blocks for more complex digital circuits.

The buffer, while it plays a role in signal processing, does not contribute a unique logical function in the same way the primary gates do. Instead, a buffer primarily serves to strengthen the signal without altering its logical value. Its purpose is to isolate different parts of a circuit and prevent loading effects, making it more of a utility component rather than a fundamental logic gate.

Understanding the difference between basic gates and functional components like buffers is important in the study of digital electronics as it helps clarify how circuits are designed and how signals are manipulated.