Elenco Understanding Logic Gates and Circuits Instrukcja Użytkownika Pobierz pdf (Strona 9)

U16

Project 2: AND Gate

This circuit demonstrates how the AND

Gate (U16) works. Turn the slide switch

(S1) on. Connect the loose ends of the red

and black wires to either low voltage

(denoted as a “0”) or high voltage

(denoted as a “1”). If, and only if, both

input A AND input B are high (both 1s),

then the Q output will be high (1), and the

red LED (D1) will be on.

AND gates are used in digital logic circuits to perform a logical multiply. When one of the inputs is low (0),

the output is low (i.e. multiply by 0). The output will only be high (1) when both inputs are high.

Input (A) Input (B) Output (Q)

0 0 0

0 1 0

1 0 0

1 1 1

The output of an AND gate is often

represented as the product of the

inputs, so Q = AB.

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Elenco Understanding Logic Gates and Circuits Instrukcja Użytkownika Strona 9