Computer Science Illuminated
Computer Science Illuminated
6th Edition
ISBN: 9781284055917
Author: Nell Dale, John Lewis
Publisher: Jones & Bartlett Learning
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Chapter 4, Problem 34E

Explanation of Solution

Gates:

  • A gate is a device which is used to perform the basic logical operation.
  • It accepts one or more input signals to generate the single output signal.
  • The three methods are equally powerful methods used to express the processing of gates.
    • Boolean expressions
    • Logic diagrams
    • Truth tables
  • Some of the logic gates:
    • NOT gate:
      • NOT gate accepts one input and generates a single output.
      • A gate contains the one input that has two possibilities of the input state, either 0 or 1 to generate the single output.
      • The logic diagram for NOT gate takes one input A and produces the single output X.

  • Where A is the input and X is the output
  • AND gate with two-input states:
    • The AND gate accepts two inputs and produces a single output.
    • A gate contains the two inputs; and it has four possibilities of input states (00, 01, 10, and 11) to generate a single output...

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