PLEASE PROVIDE AN EXPLANATION. THANK YOU! PLEASE PROVIDE AN EXPLANATION. THANK Y

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PLEASE PROVIDE AN EXPLANATION. THANK YOU!

PLEASE PROVIDE AN EXPLANATION. THANK YOU!

11. Following is a definition of a widget and a declaration of an array A that contains 10 widgets. The sizes of a byte, short, int, and long are 1, 2, 4, and 8 bytes, respectively. Alignment is restricted so that an n-byte field must be located at an address divisible by n. The fields in a struct are not rearranged; padding is used to ensure alignment. All widgets in A must have the same size struct widget short s byte b long 1 int i end widget widget AI10] Assuming that A is located at a memory address divisible by 8, what is the total size of A, in bytes? (A) 150 (B) 160 (C) 200 (D) 240 (E) 320

Explanation / Answer

The total size of a structure is the sum of the size of all its members, in this structure we have short which is of 2 bytes, byte which of 1 byte, long which is of 8 bytes and int which is also of 4 bytes, so the total size of structure is 2+1+4+4 whcih is equal to 15. We have also creataed an array for the struture with 10 elements so the total size of A[10] in bytes will be 15*10 which is equal to 150, so the answer to the question is 150.

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