<< - Bitwise Left-Shift
Bitwise Left-Shift is useful when to want to MULTIPLY an integer (not floating point numbers) by a power of 2.
Expression: a << b
This expression returns the value of a multiplied by 2 to the power of b.
>> - Bitwise Right-Shift
Bitwise Right-Shift does the opposite, and takes away bits on the right.
Expression: a >> b
This expression returns the value of a divided by 2 to the power of b.
What would be the equivalent pointer expression for referring the array element a[i][j][k][l] A. ((((a+i)+j)+k)+l) B. *(*(*(*(a+i)+j)+k)+l) C. (((a+i)+j)+k+l) D. ((a+i)+j+k+l)
Do you know NULL pointer?
How many bytes are occupied by near, far and huge pointers (DOS)? A. near=2 far=4 huge=4 B. near=4 far=8 huge=8 C. near=2 far=4 huge=8 D. near=4 far=4 huge=8
Tell me with an example the self-referential structure?
If a variable is a pointer to a structure, then which of the following operator is used to access data members of the structure through the pointer variable? A. . B. & C. * D. ->
1. Which of the following are C preprocessors? a) #ifdef b) #define c) #endif d) All of the mentioned
Do you have any idea about the use of "auto" keyword?
Can you please explain the scope of static variables?
What do you know about the use of bit field?
Tell us bitwise shift operators?
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