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Boolean Logic

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Examples with Robots

 

 

Truth Tables for the Boolean Operators:
AND, OR, and NOT

 

The opposite of the condition must be true.
e.g. if A is true then the condition is false

Use ! to represent the words "the opposite"

Input – A

Output – !A

FALSE

TRUE

TRUE

FALSE

 

If both conditions must be true.
e.g. A and B must be true for the condition to be true.

Use && to represent the word "AND"

Input – A

Input – B

Result – A && B

FALSE

FALSE

FALSE

FALSE

TRUE

FALSE

TRUE

FALSE

FALSE

TRUE

TRUE

TRUE

 

If only one condition must be true.
e.g. A or B must be true for the condition to be true.

Use || to represent the word "OR"

Input – A

Input – B

Result – A || B

FALSE

FALSE

FALSE

FALSE

TRUE

TRUE

TRUE

FALSE

TRUE

TRUE

TRUE

TRUE


Source: Roy Paterno. Association of Computer Science Educators. Grade 11 Resources - Draft Version. http://www.acse.net/Grade11/ICS3U.doc. August 10, 2001. Adapted.

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