Which of the following header file defines the standard I/O predefined functions?

(a)

stdio.h

(b)

math.h

(c)

string.h

(d)

ctype.h

Which function begins the program execution?

(a)

isalpha()

(b)

isdigit()

(c)

main()

(d)

islower()

A program can be split into small sub-program are called _______.

(a)

expressions

(b)

functions

(c)

control flow

(d)

composition

Which of the following function is known by default?
(i) Built-in functions
(ii) User-defined functions

(a)

both (i) and (ii)

(b)

only (ii)

(c)

only (i)

(d)

none of these

The definitions of the built-in functions can be grouped in the files called _______.

(a)

text file

(b)

header file

(c)

built-in file

(d)

C++ file

Which of the following provides function prototype and library functions definitions?

(a)

Header file

(b)

C++ program file

(c)

user-define functions

(d)

built-in functions

How many built-in functions are there in single header file?

(a)

4

(b)

3

(c)

5

(d)

many

Which of the following function does not have two arguments?

(a)

strcat()

(b)

strcpy()

(c)

strcmp()

(d)

strlwr()

Which of the following character does not included in length of the string?

(a)

space

(b)

/n

(c)

/o

(d)

\o

Cos() function does not return _______.

(a)

integer

(b)

float

(c)

double

(d)

long double