Logic gates truth table - Semiconductor physics | Logic Gates

Logic gates truth table - OR, AND, and NOT Gates

Hey whats'up aaj hum semiconductor physics ke ek bhut he important topic ke baare me baat karenge jinko aap apni daily life me hmesha use karte rahte hai. Logic gates kya hai - (What are logic gates in Hindi).Basically Logic Gates ek esa concept hai, jiska Output uske Input par depend karta hai. Logic gate input function ka Boolean Function output hota hai. Aajkal sabhi semiconductors me logic gates ka use hota hai jo ki input signals ko output boolean function me change karte hai. Ye phyical quantity bhi ho sakti hai ya scalar quantity. Boolean ek physist or mathematician the jinhone semiconductor physics me apna bhut he yogdaan diya , jinki wajah se aaj hamare saare computer motherboards se lekar high end processors tak babane possible ho paye hai. Semiconductor physics totally transistors or logic gates ka combination hai. 

A processor

Jis type se kisi Door ke liye two conditions ho sakti hai(open or close). Same in Logic gate there are two conditions for output(High or Low). Logic gates OR and AND gates jaise simple bhi ho sakte hai or computer jaise complex bhi.

Diodes ka use karke jo logic gates create kiye jate hai, wo sabse simple hote hai. But Diodes se only AND gate or OR gate he create kiye ja sakte hai, invertor nahi banaya ja sakta hai. Logic gates digital physics ka ek bahut he important topic hai. Saare electronic devices logic gates or transistors ke principle or implementation par work karte hai. Bina logic gates or transistors ka use kiye electronic circuits ko built karna possible nahi hai. So let's talk about types of Logic gates we have:

There are different types of Logic Gates :

1. AND logic Gate

In this logic gate when the all inputs will be high(1) the output will be high(1). If one of the input is low(0) the output will be low(0). Let's see the Logic table of AND Gate and their output.

Boolean expression of AND Gate is y = A.B(where A.B represents A*B, and y is the output)

Logic table of AND, OR and NOT gate

2. NOT Logic Gate

NOT gate is aslo known as invertor logic gate. NOT gate contains only 1 input and 1 output. When the input is low(0) the output will be high(1), and when the input is high(1) the output will be low(0).

Boolean expression of NOT Gate is y= A bar(where A Bar means 0 convert high to low and low to high)

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3. OR Logic Gate

In this logic gate if one of the input is high(1) the output will be high(1), it doesn't matters that the other input is low(0). 

Boolean expression of OR Gate is y= A+B(where A and B are the two inputs)

NAND gate and NOR gate logic table

4. NAND Logic Gate

This logic gate is formed by the combination of NOT Gate and AND Gate is known as NAND Gate.

Boolean expression for NAND Gate is AB (A*B whole bar)

5. NOR Logic Gate

This gate is formed by the combination of NOT gate and OR gate.

Boolean expression of NOR Gate is A+B whole bar

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Conclusion

So how you find this information about logic gates "logic gates truth table". If you finds this information somewhere a little bit useful share this article to other students who wants to clear their logic gates concepts. Here I have discussed about logic gates in simple language you will never forgot.