C PROGRAMMING QUIZ

Choose the best answer.Prior to using a pointer variable

It should be both declared and initialized.

It should be declared.

None of these.

It should be initialized.

TRUE ANSWER : ?
YOUR ANSWER : ?

Find the output of the following program.void main(){ int i=10; /* assume address of i is 0x1234ABCD / int ip=&i; int **ipp=&&i; printf("%x,%x,%x", &i, ip, *ipp); }

Runtime error

0x1234ABCD, 0x1234ABCD, 0x1234ABCD

0x1234ABCD, 0x1234ABCD, 10

0x1234ABCD, 10, 10

Syntax error

TRUE ANSWER : ?
YOUR ANSWER : ?

The address operator &, cannot act on

R-values

Members of a structure

Local variables

Both of the above

Arithmetic expressions

TRUE ANSWER : ?
YOUR ANSWER : ?

An array elements are always stored in ________ memory locations.

Random

Sequential and Random

None of these

Sequential

TRUE ANSWER : ?
YOUR ANSWER : ?

Determine Output:#include<stdio.h>void main(){ register i=5; char j[]= "hello"; printf("%s %d", j, i);}

None of These

hello garbage value

Error

hello 5

TRUE ANSWER : ?
YOUR ANSWER : ?

Determine output:main(){ int i = 5; printf("%d%d%d%d%d", i++, i--, ++i, --i, i);}

54554

45445

54544

45545

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is not a correct variable type?

char

int

float

double

real

TRUE ANSWER : ?
YOUR ANSWER : ?

A function 'p' that accepts a pointer to a character as argument and returns a pointer to an array of integer can be declared as

int *p(char *)[]

None of these.

int (*p) (char *)[]

int(*p(char *))[]

TRUE ANSWER : ?
YOUR ANSWER : ?

Determine Output:void main(){ char a[]="12345"; int i = strlen(a); printf("%d", ++i);}

7

6

None of These

5

TRUE ANSWER : ?
YOUR ANSWER : ?

The operator > and < are meaningful when used with pointers, if

The pointers point to elements of the same array.

The pointers point to data of similar type.

None of these.

The pointers point to structure of similar data type.

TRUE ANSWER : ?
YOUR ANSWER : ?

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