EESE125 Quiz: Characters and Strings

What is a string in C?

• A boolean value

• A floating-point number

• A series of characters

• A type of integer

Which character is used to denote the end of a string in C?

• $

• @

• #

• \0

What function is used to print a string in C?

• write()

• print()

• printf()

• output()

How do you access the first character of a string in C?

• string.first()

• string[0]

• string.get(0)

• string[1]

What is the purpose of the library?

• To handle strings

• To perform mathematical operations

• To manage memory

• To classify and manipulate characters

Which function checks if a character is a digit?

• isalpha()

• isalnum()

• isupper()

• isdigit()

What does the function atoi() do?

• Converts a string to a float

• Converts a string to an integer

• Converts a string to a long integer

• Converts a string to a double

What is the correct way to read a string from user input?

• gets()

• fgets()

• scanf()

• All of the above

Which function is used to concatenate two strings?

• strdup()

• strcat()

• strcpy()

• strncat()

What does the strcmp() function return if two strings are equal?

• 1

• 0

• -1

• NULL