Not understanding Entropy is okay. It is the hardest concept in information theory and thermodynamics.

Entropy is the amount of information in a system.

Can it be equated to randomness? Yes! Because, to store more random arrangements, you need more bits. However, the more the order, the less the entropy. Why? Because to store the arrangement, you just need to know the order.

Which of the following string has more entropy?
a) aaaaaaaaaaa
b) xyzhwkofgbf
c) aaaabbbbccc

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## Comments

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TopNewestThe entropy of this note is too damn high!

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Haha, I got that xD xD xD Thanks To @Agnishom Chattopadhyay xD

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Try answering the question on coins.

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I think , entropy is a measure of the number of specific ways in which a system(keep in mind that the system is thermodynamic) may be arranged.

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In which class are you? @Mehul Arora

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@Parth Lohomi , Class 9 Now. :D

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@Parth Lohomi

LOL why are u following me again? xD -_-Log in to reply

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\[\triangle S=\displaystyle\int \dfrac{dQ_{rev}} {T} \]

\(\triangle S\) is change in entropy...

\(T\) is absolute temperature

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Not understanding Entropy is okay. It is the hardest concept in information theory and thermodynamics.

Entropy is the amount of information in a system.

Can it be equated to randomness? Yes! Because, to store more random arrangements, you need more bits. However, the more the order, the less the entropy. Why? Because to store the arrangement, you just need to know the order.

Which of the following string has more entropy? a) aaaaaaaaaaa b) xyzhwkofgbf c) aaaabbbbccc

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I guess, The 2nd one. (b)

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Correct.

How many bits of entropy are contained in a system containing two coins?

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Have you heard of the equation S= K ln(W)?

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@Parth Lohomi @Agnishom Chattopadhyay @Raghav Vaidyanathan and @Nihar Mahajan

Nope, Not ever xD xD I wanted to Learn the basics On Entropy. Like, The definition and all. Once I have the Base Strong, I shall move to the Advanced study on this topic. ThanksLog in to reply

Maxwell's Demon

Try this problem:It explains some interesting things about entropy from an Information Theory and Thermodynamic point of view

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Mehul , this might help you .

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For trying to help someone , one gets downvotes. How selfish the downvoters might be! :/ -_-

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xD I know! Try My Problem! The one Inspired by you :)

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Sorry, I downvoted the comment because the thought an encyclopedia link would not be too useful

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