C PROGRAMMING QUIZ

Which of the following function is used to find the first occurrence of a given string in another string?

strrchr()

strchr()

strstr()

strnset()

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Determine Output:void main(){ static int i=5; if(--i){ main(); printf("%d ", i); }}

0 0 0 0

None of These

5 4 3 2 1

Infinite Loop

TRUE ANSWER : ?
YOUR ANSWER : ?

Determine Output:void main(){ char *str1 = "abcd"; char str2[] = "abcd"; printf("%d %d %d", sizeof(str1), sizeof(str2), sizeof("abcd"));}

2 4 4

2 5 5

5 5 5

2 4 5

TRUE ANSWER : ?
YOUR ANSWER : ?

What is the difference between a declaration and a definition of a variable?

A definition occurs once, but a declaration may occur many times.

A declaration occurs once, but a definition may occur many times.

Both can occur multiple times, but a definition must occur first.

There is no difference between them.

Both can occur multiple times, but a declaration must occur first.

TRUE ANSWER : ?
YOUR ANSWER : ?

Determine Output:#define prod(a,b) a*bvoid main(){ int x=3, y=4; printf("%d", prod(x+2, y-1));}

10

15

11

12

TRUE ANSWER : ?
YOUR ANSWER : ?

Identify the correct output of the following code:void main(){ int w=10, x=5, y=3, z=3; if( (w < x ) && (y=z++) ) printf("%d %d %d %d", w, x, y, z); else printf("%d %d %d %d", w, x, y, z);}

10 5 4 3

10 5 3 3

10 5 5 5

10 5 4 4

10 5 3 4

TRUE ANSWER : ?
YOUR ANSWER : ?

The address operator &, cannot act on

Members of a structure

R-values

Local variables

Both of the above

Arithmetic expressions

TRUE ANSWER : ?
YOUR ANSWER : ?

What is the output of the following statements?for(i=10; i++; i<15) printf("%d ", i);

9 10 11 12 13

10 11 12 13 14

Infinite loop

10 11 12 13 14 15

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

String concatenation means -

Combining two strings.

Comparing the two strings to define the larger one.

Extracting a substring out of a string.

Partitioning the string into two strings.

Merging two strings.

TRUE ANSWER : ?
YOUR ANSWER : ?

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

45545

54544

45445

54554

TRUE ANSWER : ?
YOUR ANSWER : ?