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4

Which header file is essential for using strcmp() function?

A. string.h

B. strings.h

C. text.h

D. strcmp.h

Correct Answer :

A. string.h


Related Questions

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4

Identify the wrong statement

A. putchar(65)

B. putchar('x')

C. putchar("x")

D. putchar('
')

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4

continue statement is used

A. to go to the next iteration in a loop

B. come out of a loop

C. exit and return to the main function

D. restarts iterations from beginning of loop

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4

The output of the following code is:
main() 
{
int a = 5, b = 6;
(a == b? printf("%d", a));
}

A. 0

B. 5

C. Error

D. None of the above

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4

A C variable cannot start with

A. An alphabet

B. A number

C. A special symbol other than underscore

D. both (b) and (c)

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4

In the expression - 'x + y + 3z =20'

A. x + y' is a keyword

B. 3 and 20 are constants

C. 3z is a constant

D. y is a variable and z is a constant

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4

strcat() function ----------------------- two strings.

A. delete

B. concatenate

C. compare

D. none of the above

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4

enum helps to create user defined datatype.

A. True

B. False

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4

Which of the following correctly describes C++ language?

A. Statically typed language

B. Dynamically typed language

C. Both Statically and dynamically typed language

D. Type-less language

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4

Only one break can be used in one loop.

A. True

B. False

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4

A multidimensional array A[10][9] can store-------- number of elements

A. 91

B. 88

C. 90

D. 89

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4

emp name' is a valid variable name.

A. True

B. False

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4

------ is the ternary operator

A. ?,-

B. ?,:

C. ++<--

D. none of the above

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4

The output of the following code is:
void change (char *k) 
{
k="Hello";
return;
}
main()
{
char *ch = "World";;
change(ch);
printf("%s", ch);
}

A. Hello

B. World

C. Compilation error

D. Hello World

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4

void' is a datatype.

A. True

B. False

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4

Which among the following is a unconditional control structure

A. do-while

B. if-else

C. goto

D. for

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4

The statement "for (i = 0, j = 2; j <= 10; j++)" is a valid statement in 'C'.

A. True

B. False

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4

Which classes allow primitive types to be accessed as objects?

A. Storage

B. Virtual

C. Friend

D. Wrapper

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4

All macro substitutions in a program are done before compilation of the program.

A. True

B. False

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4

Structures within structures cannot be created.

A. True

B. False

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4

If the class name is X, what is the type of its “this” pointer (in a nonstatic, non-const member function)?

A. const X* const

B. X* const

C. X*

D. X&

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4

The output of the following code is:
void main() 
{
int a;
int &b = a;
a=100;
printf("b=%d\ta=%d
", b,a);
}

A. b=100 a=100

B. b=100 a=0

C. b=0 a=100

D. Error

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4

unsigned' is a valid variable name.

A. True

B. False

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4

The expression "b = 3 ^ 2;" will evaluate b = 9.

A. True

B. False

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4

What's wrong? for (int k = 2, k <=12, k++)

A. the increment should always be ++k

B. the variable must always be the letter i when using a for loop

C. there should be a semicolon at the end of the statement

D. the commas should be semicolons

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4

C is a ___ language

A. High Level and Procedural

B. Low Level and OOPS

C. Middle Level and Procedural

D. Machine Level and OOPS

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4

What is an array?

A. An array is a collection of variables that are of the dissimilar data type.

B. An array is a collection of variables that are of the same data type.

C. An array is not a collection of variables that are of the same data type.

D. None of the above.

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4

The output of the following code is:
void main() 
{
static int a = 1, b, c;
if (a>=2) b=2; c=3;
printf("%d\t%d", b,c);
}

A. 2 3

B. 0 3

C. 0 0

D. 2 0

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4

What is Keywords?

A. Keywords have some predefine meanings and these meanings can be changed.

B. Keywords have some unknown meanings and these meanings cannot be changed.

C. Keywords have some predefine meanings and these meanings cannot be changed.

D. None of the above

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4

C programs are converted into machine language with the help of

A. An Editor

B. A compiler

C. An operating system

D. None of the above

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4

Which header file is essential for using strcmp() function?

A. string.h

B. strings.h

C. text.h

D. strcmp.h