Basic Electronics: Theory and Practice by Jean Riescher Westcott Sean Westcott

Author:Jean Riescher Westcott Sean Westcott [Sean Westcott, Jean Riescher Westcott]
Language: eng
Format: mobi
Publisher: Mercury Learning and Information
Published: 2017-02-09T05:00:00+00:00

An operand is a quantity that has a mathematical or logical operation performed on it.

A truth table is used in Boolean logic to give the results for the possible inputs and outputs.

The columns represent one side of the logical decision and the rows represent the other side of the logical decision. The result of each combination is depicted in the box where the column and row intersect.

In this table, 0 ≠ 1 is true (because 0 is NOT equal to 1), whereas 0 ≠ 0 is false. Let’s now represent true with 1 and false with 0, as shown in the following figure.

This table does not represent multiplication, division, or any other real mathematical operation.

Instead, it the outputs of the question, “Is A not equal to B?” The answer can be true or false, and we are using the binary digits 0 and 1 to represent both the operands and the answers.

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