Chapter 10

Question 1

What header file must you include in a program using character testing functions such as isalpha and isdigit?

Answer 1

cctype

Question 2

What header file must you include in a program using the character conversion functions toupper and tolower?

Answer 2

cctype

Question 3

What header file must you include in a program using string functions such as strlen and strcpy?

Answer 3

cstring

Question 4

What header file must you include in a program using string/numeric conversion functions such as atoi and atof?

Answer 4

cstdlib

Question 5

What header file must you include in a program using string class objects?

Answer 5

cstring

Question 6

How do you compare string class objects?

Answer 6

With standard relational operators

Question 7

The ______ function returns true if the character argument is uppercase.

Answer 7

isupper

Question 8

The ______ function returns true if the character argument is a letter of the alphabet

Answer 8

isalpha

Question 9

The ______ function returns true if the character argument is a whitespace character

Answer 9

isspace

Question 10

The ______ function returns the uppercase equivalent of its character argument

Answer 10

toupper

Question 11

the ______ function returns the lowercase equivalent of its character argument

Answer 11

tolower

Question 12

the ______ file must be included in a program that uses character testing functions

Answer 12

cctype

Question 13

The ______ function returns the length of a string

Answer 13

strlen

Question 14

To ______ two strings means to append one string to the other

Answer 14

concatenate

Question 15

The _____ function concatenates two strings

Answer 15

strcat

Question 16

The _____ function copies one string to another

Answer 16

strcopy

Question 17

The ______ function searches for a string inside of another one

Answer 17

strstr

Question 18

the ______ function compares two strings

Answer 18

strcmp

Question 19

The ______ function copies, at most, n number of characters from one string to another

Answer 19

strncopy

Question 20

The ______ function returns the value of a string converted to an integer

Answer 20

atoi

Question 21

The ______ function returns the value of a string converted to a long integer

Answer 21

atol

Question 22

The ______ function returns the value of a string converted to a float

Answer 22

atof

Question 23

The ______ function converts an integer to a string

Answer 23

itoa

Question 24

Character testing functions such as isupper, accept strings as arguments and test each character in the string. (T/F)

Answer 24

False

Question 25

If toupper’s argument is already uppercase, it is returned as is, with no changes. (T/F)

Answer 25

true

Question 26

If tolowers’s argument is already lowercase, it will be inadvertently converted to uppercase. (T/F)

Answer 26

False

Question 27

The strlen function returns the size of the array containing a string. (T/F)

Answer 27

False

Question 28

If the starting address of a C-string is passed into a pointer parameter, it can be assumed that all the characters, from that address up to the byte that holds the null terminator, are part of the string. (T/F)

Answer 28

True

Question 29

C-string handling functions accept as arguments pointers to strings (array names or pointer variables), or literal strings. (T/F)

Answer 29

True

Question 30

The strcat function checks to make sure the first string is large enough to hold both strings before performing the concatenation. (T/F)

Answer 30

False

Question 31

The strcpy function will overwrite the contents of its first string argument. (T/F)

Answer 31

True

Question 32

The strcpy function performs no bounds checking on the first argument. (T/F)

Answer 32

True

Question 33

There is no difference between “847” and 847. (T/F)

Answer 33

False