DS - Chapter 4 - Strings

s1 = “HI”, s2 = “HELLO”, s3 = “BYE”. How can we concatenate the three strings?

• strcat(s1,s2,s3)

• strcat(s1,(strcat(s2,s3)))

• strcpy(s1, strcat(s2,s3)

• strcpy(s1, strcat(s3,s2)

strlen(“Oxford University Press”) is?

• 22

• 24

• 23

• 25

Which function adds a string to the end of another string?

• stradd()

• strcat()

• strtok()

• strcpy()

String Hello World can be read using scanf().

• True

• False

A string when read using scanf() needs an ampersand character.

• True

• False

The gets() function takes the starting address of a string which will hold the input.

• True

• False

tolower() is defined in ctype.h header file.

• True

• False

If s1 and s2 are two strings, then the concatenation operation produces a string which contains the characters of s1, followed by the characters of s2.

• True

• False

Appending one string to another string involves copying the contents of the source string at the end of the destination string.

• True

• False

S1<S2, when in dictionary order, S1 precedes S2.

• True

• False