Class 12 Boolean Algebra Revision Notes

Computer Science
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Read and download the Class 12 Boolean Algebra Revision Notes. Designed for 2025-26, this advanced study material provides Class 12 Computer Science students with detailed revision notes, sure-shot questions, and detailed answers. Prepared by expert teachers and they follow the latest CBSE, NCERT, and KVS guidelines to ensure you get best scores.

Advanced Study Material for Class 12 Computer Science Boolean Algebra

To achieve a high score in Computer Science, students must go beyond standard textbooks. This Class 12 Boolean Algebra study material includes conceptual summaries and solved practice questions to improve you understanding.

Class 12 Computer Science Boolean Algebra Notes and Questions

Truth table:

Truth table is a table, which represents all the possible values of logical variables/statements along with all the possible results of given combinations of values.
 
Logical Operators:

Logical operators are derived from the Boolean algebra, which is the mathematical representation of the concepts without going into the meaning of the concepts.
1.NOT Operator—Operates on single variable. It gives the complement value of variable.
2.OR Operator -It is a binary operator and denotes logical Addition operation and is represented by ”+” symbol
3. AND Operator – AND Operator performs logical multiplications and symbol is (.) dot.
Truth table:
 
Basic Logic Gates

A gate is simply an electronic circuit, which operates on one or more signals to produce an output signal. Gates are digital circuits because the input and output signals are either low (0) or high (1). Gates also called logic circuits.
There are three types of logic gates:
1. Inverter (NOT gate)
2. OR gate
3. AND gate
 
1. NOT Gate : This gate takes one input and gives a single output. The symbol of this logic gate is
Class 12 Boolean Algebra Revision Notes
 
Class 12 Boolean Algebra Revision Notes1
 
Principle of Duality

This principle states that we can derive a Boolean relation from another Boolean relation by performing simple steps. The steps are:-
 
1. Change each AND(.) with an OR(+) sign
2. Change each OR(+) with an AND(.) sign
3. Replace each 0 with 1 and each 1 with 0
 
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Important Practice Resources for Class 12 Computer Science

CBSE Class 12 Computer Science Boolean Algebra Study Material

Students can find all the important study material for Boolean Algebra on this page. This collection includes detailed notes, Mind Maps for quick revision, and Sure Shot Questions that will come in your CBSE exams. This material has been strictly prepared on the latest 2026 syllabus for Class 12 Computer Science. Our expert teachers always suggest you to use these tools daily to make your learning easier and faster.

Boolean Algebra Expert Notes & Solved Exam Questions

Our teachers have used the latest official NCERT book for Class 12 Computer Science to prepare these study material. We have included previous year examination questions and also step-by-step solutions to help you understand the marking scheme too. After reading the above chapter notes and solved questions also solve the practice problems and then compare your work with our NCERT solutions for Class 12 Computer Science.

Complete Revision for Computer Science

To get the best marks in your Class 12 exams you should use Computer Science Sample Papers along with these chapter notes. Daily practicing with our online MCQ Tests for Boolean Algebra will also help you improve your speed and accuracy. All the study material provided on studiestoday.com is free and updated regularly to help Class 12 students stay ahead in their studies and feel confident during their school tests.

How to download CBSE Class 12 Computer Science Boolean Algebra study material

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