Quiz-4

Which is the character array used to accept command line arguments?

• char argv

• char* argv[]

• char argv[]

• char *argv

What is a dangling pointer ?

• points to garbage value

• points to zero

• points to null value

• None of the above

Which is not a string function ?

• strstr

• strupr

• strcmp

• strchr

Which of the following does not require to include math.h header file ?

• pow()

• rand()

• sqrt()

• sinh()

What is the task of pre-processor ?

• Compiling

• Expanding

• Linking

• All of the above

Which of the following is true ?

• realloc() can change the memory size of arrays.

• Unary operator works on only one operand

• Struct and Union works in same way

• None of the above

Which of this is used to skip one iteration:

• continue

• goto

• return

• break

Which address does a pointer to an array store ?

• Memory address of the first element of the array.

• Memory address of the sum of array elements.

• value of first element of the array.

• None of the above.

Predict the output:

• yes

• no

To print out a and b given below, which of the following printf() statement will you use?

float a=3.14;
double b=3.14;

• printf("%Lf %f", a, b);

• printf("%f %lf", a, b);

• printf("%Lf %Lf", a, b);

• printf("%f %Lf", a, b);