Which function is used to check whether a character is alphanumeric or not:

(a)

isalpha ( )

(b)

isdigit ()

(c)

isalnum ()

(d)

islower ()

Which of the following function is with a return value and without any argument?

(a)

x=display(int, int)

(b)

x=display()

(c)

y=display(float)

(d)

display(int)

Which of the following is the scope operator?

(a)

>

(b)

&

(c)

%

(d)

::

How many types of functions are there in C++?

(a)

2

(b)

3

(c)

4

(d)

many

Which functions reads a string from standard input and stores it into the string pointer by the variable?

(a)

getch ()

(b)

getstring

(c)

gets()

(d)

String()

How many arguments taken by strcpy () function?

(a)

2

(b)

3

(c)

4

(d)

1

Which of the following statement is true or false?
(i) Strcat ( ) function appends copy of the character string pointed by the source to the memory location pointed by target.
(ii) strcpy () function appends copy of the character string pointed by the source to the end of the string pointed by the target.
(iii) strcmp ( ) and strlen ( ) function takes two arguments.
(iv) strcmp ( ) function compares the contents of strings lexicographically

(a)

(i) true, (ii) false, (iii) false, (iv) true

(b)

(i) false, (ii) true, (iii) false, (iv) false

(c)

(i) false, (ii) false, (iii) false, (iv) true

(d)

(i) false, (ii) false, (iii) false, (iv) false

Which of the following function appends copy of the character string pointed by the source to the end of string pointed by the target?

(a)

strcpy ()

(b)

strpaste ()

(c)

strcat ()

(d)

concat ()

Which of the following function returns the square root of the given value of the argument?

(a)

sqr ()

(b)

sqrt ()

(c)

square ()

(d)

sqroot ()

Which of the following is not a return type of pow() function?

(a)

integer

(b)

double

(c)

float

(d)

long double