Programming In C

By default a real number is treated as a

• float

• double

• long double

• far double

Which of the following correctly shows the hierarchy of arithmetic operations in C?

• / + * -

• * - / +

• + - / *

• / * + -

The keyword used to transfer control from a function back to the calling function is

• switch

• goto

• go back

• return

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 pointer is

• A keyword used to create variables

• A variable that stores address of an instruction

• A variable that stores address of other variable

• All of the above

The operator used to get value at address stored in a pointer variable is

• *

• &

• &&

• ||

Which of the following function is more appropriate for reading in a multi-word string?

• printf();

• scanf();

• gets();

• puts();

To scan a and b given below, which of the following scanf() statement will you use?

#include<stdio.h>

float a;

double b;

• scanf("%f %f", &a, &b);

• scanf("%Lf %Lf", &a, &b);

• scanf("%f %Lf", &a, &b);

• scanf("%f %lf", &a, &b);

Input/output function prototypes and macros are defined in which header file?

• conio.h

• stdlib.h

• stdio.h

• dos.h

Which of the following is not logical operator?

• &

• &&

• ||

• !