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Class 12: Unit -4: Boolean Algebra

✳️ Boolean Algebra (बूलियन बीजगणित)

Definition (परिभाषा)

English:
Boolean Algebra is a mathematical system for the manipulation of variables that have two possible values: True (1) and False (0).
Hindi:
बूलियन बीजगणित एक गणितीय प्रणाली है जिसमें वेरिएबल के दो ही मान होते हैं: सत्य (1) और असत्य (0)

Here are bilingual (Hindi and English) notes on the concepts mentioned in the image:


1. Binary-valued Quantities (द्वैध-मूल्य राशियाँ)


2. Boolean Variable (बूलियन चर)


3. Boolean Constant (बूलियन स्थिरांक)


4. Boolean Operators: AND, OR, NOT (बूलियन ऑपरेटर: AND, OR, NOT)


5. Truth Table (सत्य तालिका)


6. Closure Property (समापन गुणधर्म)

In digital electronics, the closure property means that when a logic operation is performed on inputs from a specific set of values, the result is also within that same set. This ensures that the output of a digital circuit remains predictable and consistent. For example, if you only consider binary values (0 and 1), the AND operation will always produce either 0 or 1 as output, thus satisfying the closure property.


7. Commutative Law (परिवर्तनीय विधि)


8. Associative Law (सांघातिक विधि)


9. Identity Law (पहचान विधि)


10. Inverse Law (विलोम विधि)


11. Principle of Duality (द्वैतता का सिद्धांत)


12. Idempotent Law (स्वत: साम्य विधि)


13. Distributive Law (वितरण विधि)


14. Absorption Law (अवशोषण विधि)


15. Involution Law (आवृत्ति विधि)


16. DeMorgan’s Laws (डि मॉर्गन के नियम)


Here is the bilingual (English + Hindi) explanation of the newly visible content from the image:


1. Sum of Product (SOP) and Product of Sum (POS)

English:

Hindi:


2. Obtaining SOP and POS from Truth Table

English:

Hindi:


3. Reducing Boolean Expression (SOP and POS) to Minimal Form

English:

Hindi:


4. Karnaugh Map (K-Map) for Minimisation

English:

Hindi:


5. Basic Logic Gates (NOT, AND, OR, NAND, NOR)

English:

Hindi:


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