Functions (1)

Function that Returns True only if c is a digit(0 to 9) else False

• isalnum( )

• isdigit( )

• isalpha( )

• isnumber( )

Header file for string functions is ?

• <string.h>

• <char.h>

• <math.h>

• <ctype.h>

What will be the Output

float a= -4.7

cout<<abs(a);

• -4.7

• -4

• 4.7

• 6

Which function is used to return True if character is alphabet and return false if it is digit?

• isdigit( )

• isalpha( )

• isalnum( )

• pow( )

Function that converts any character into uppercase character

• toupper( )

• tolower( )

• isupper( )

• islower( )