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Assuming, integer is 2 byte, What will be the output of the program? #include<stdio.h> int main() { printf("%x\n", -2<<2); return 0; } ?->(Show Answer!)
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1. Assuming, integer is 2 byte, What will be the output of the program? #include<stdio.h> int main() { printf("%x\n", -2<<2); return 0; }





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  • By: guest on 01 Jun 2017 06.01 pm
    The integer value 2 is represented as 00000000 00000010 in binary system.

    Negative numbers are represented in 2's complement method.

    1's complement of 00000000 00000010 is 11111111 11111101 (Change all 0s to 1 and 1s to 0).

    2's complement of 00000000 00000010 is 11111111 11111110 (Add 1 to 1's complement to obtain the 2's complement value).

    Therefore, in binary we represent -2 as: 11111111 11111110.

    After left shifting it by 2 bits we obtain: 11111111 11111000, and it is equal to "fff8" in hexadecimal system.
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