Digital Logic Gates

What is a logic gate?

A logic gate is a physical electronic device with either one or two bit inputs and only one-bit output. The input-output relationship is based on a certain Boolean logicBoolean logic is derived from a branch of algebra, called boolean algebra. The fundamental boolean operators are NOT, AND and OR that can operate on binary values that are either true or false. The fundamental operators combine in different ways to give us various other operators.. Together, they form a circuitry that can perform multiple tasks on several bits of input. Some common logic gates are shown in Figure 1.

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