This document discusses inheritance in logic gates and circuits. It explains that logic gates inherit common characteristics from a LogicGate superclass and are further classified into binary gates with two inputs and unary gates with one input. Specific gate types like AND, OR, and NOT gates inherit from these parent classes. The document also covers how connectors are used to link gates without being part of the inheritance hierarchy. Code examples with 7 classes are provided to demonstrate inheritance between logic gate classes.

1. Inheritance: Logic
Gates and Circuits
By: Giovannie Sanchez
Kevin Flores

2. Important to know…
• Inheritance - is the ability for one class to be
related to another class.
• The structure relationship is called inheritance
hierarchy.
• Lists, tuples, and strings are all types of
sequential collections.
• They all inherit common data and
organization and operands
Super
Class
•Logic Gate
•Everyone Inherits the class.
Class
One
•Binary Gate
•Unary Gate
Class
Two
•And Gate
•Or Gate
•Not Gate

3. What is Heriarchy? &
What are we using?
Heriarchy is used to simplify and to
understand the relationship between
inheritable classes.
Its more organized.

4. The operands and, or…
• And – has two inputs, and one output which
can be either 0 (false) or 1(true).
• Or – has two inputs and its output is either
true (1) if a veritable solution is present out of
the two inputs or its completely false.
Or
Gate
Binary
Gate
Logic
Gate
• Method
• Parameter
And
Gate
Binary
Gate • Method
• Method
• Parameter
• Parameter
Logic
Gate

5. The operand or…
• Not – has a single input and the output is
always the opposite of the input.
• Method
• Parameter
Not
Gate
Unary
Gate • Method
• Method
• Parameter
• Parameter
Logic
Gate

7. The Circuit…
The output lines from the two AND gates feed directly
into the OR gate, and the resulting output from the OR
gate is given to the NOT gate. If we apply a set of input
values to the four input lines (two for each AND gate),
the values are processed and a result appears at the
output of the NOT gate.

8. Let’s get started…
LogicGate
• At the top of the hierarchy, the
LogicGate class represents the most
general characteristics of logic
gates: namely, a label for the gate
and an output line.
• The next level of subclasses breaks
the logic gates into two families,
those that have one input line and
those that have two. Below that, the
specific logic functions of each
appear.

9. The Connectors…are…
Connector Class
• The Connector class will not reside
in the gate hierarchy.
• It will, however, use the gate
hierarchy in that each connector will
have two gates, one on either end.
• This relationship is very important in
object-oriented programming. It is
called the HAS-A Relationship

10. Let’s look at the code…
Source Code
• 7 Classes
• Each one inherit except the
LogicGate and Connector
Method Inherit
Logic
Gate
3 NO
Binary
Gate
4 YES
Unary
Gate
3 YES
And
Gate
2 YES
Or
Gate
2 YES
Not
Gate
2 YES
Connector 3 NO