how are the char, integer or float variables stores in memory struct{ int a; char b; int c; char d}; struct { int a; int b; char c; char d}; if we are making the variable of both structure and when I find the size of both member we get different while both have same data member, can you understand me ?

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Manoj kumar Vishwakarma

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Data is stored in a computer's memory. The memory system comprises of uniquely numbered cells called memory addresses. We need to know the address where something is stored in order to retrieve it and work on it. A programming language frees us from keeping track of these memory addresses by substituting...
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Data is stored in a computer's memory. The memory system comprises of uniquely numbered cells called memory addresses. We need to know the address where something is stored in order to retrieve it and work on it. A programming language frees us from keeping track of these memory addresses by substituting names for them. These names are called variables. Variables are descriptive names for the memory addresses. read less
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When variables are created in memory , there is a gap of same o. of bytes in between two variables , so you get difference between the size of these two structs.when two int variables are adjacent ,2 bytes space is a gap in between them. But when int and char then again int char is the sequence of declaration...
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When variables are created in memory , there is a gap of same o. of bytes in between two variables , so you get difference between the size of these two structs.when two int variables are adjacent ,2 bytes space is a gap in between them. But when int and char then again int char is the sequence of declaration 1 byte gap is between them. so you get size of above two struct as 16 and 12 bytes respectively. u can use pointer to display address of every variable and you can get exact idea of locations and size of struct. To learn in details u can contact me. and learn online. read less
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A stucture stores different datatypes of members in different addresses V/S union , there is an option in linker where you can set even and odd addressing scheme and default type of declaration i.e unsiged and signed ...this could make a difference
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