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Lesson 1011: Introduction to Electronic Gates

There are two different ways to represent Boolean expressions. The first you already have learned in the very beginning of this course. Now you will learn electronic gate notation. In this form of notation, each Boolean operator is represented by a different symbol. It is important to memorize the symbols or print this chart out, because it will become useful as you move along the lesson.

ANDAND gate
OROR gate
NOTNOT gate
NANDNAND gate
XORXOR gate
EQUIVEQUIV gate
NORNOR gate
Check your progress


  1. What is the name of the operator for the following gate?
      AND
      OR
      NOR
      EQUIV
  2. Which of the following gates is a unary operator?




  3. What gates used in the following equation?
    AB+C






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