What will be the output of the following code fragment?
void main()
{
printf("%x",-1<<4);
}
void main()
{
printf("%x",-1<<4);
}A. fff0
B. fff1
C. fff2
D. fff3
E. fff4
Answer: Option A
Solution(By Examveda Team)
-1 will be represented in binary form as:
1111 1111 1111 1111
Now -1<<4 means 1 is Shifted towards left by 4 positions, hence it becomes:
1111 1111 1111 0000 in hexadecimal form - fff0.
This Question Belongs to C Program >> Operators And Expressions
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What does the ++ operator do in C when applied to a variable?
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Binary representation of 1 for 16 bits=0000 0000 0000 0001 then take 1's complement so, 1111 1111 1111 1110 then take 2's complement so 1111 1111 1111 1111 then take left shift
-1 binary?