True/False
Indicate whether the
statement is true or false.
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1.
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A coded algorithm is called an object.
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2.
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Programmers typically desk-check a program using the
same sample data used to desk-check the algorithm.
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3.
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The IPO chart shows the problem’s input,
processing, and output items, as well as the algorithm needed to solve the problem.
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4.
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In most programming languages, the names of
processing items can contain letters, numbers, underscores, punctuation characters or
spaces.
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5.
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Most C++ programmers use uppercase letters for
variable names.
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6.
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Items assigned the double
data type typically are initialized to the value 1.0.
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7.
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All C++ statements must end with a
colon.
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8.
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The standard output stream is called cout.
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9.
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The standard input stream is called stdin.
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10.
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The statement cout <<
"Enter current weekly pay: "; prompts the user to enter the current weekly
pay.
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11.
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You should perform several desk-checks, using
different data, to make sure that the program is correct.
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12.
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Errors in a program are called hacks.
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13.
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Machine code is usually called assembly
code.
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14.
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You should assign a descriptive name to each variable and named constant used in
a program.
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15.
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Punctuation characters are allowed in the name of a memory location.
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16.
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Names in C++ are case sensitive.
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17.
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To use the string class in a program, the program
must contain the #include <string> directive.
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18.
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The binary number system uses only the two digits 0 and 1.
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19.
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Variables declared using the string data type usually are initialized to the
empty string “”.
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20.
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A variable can be initialized to any value, as long as the value’s data
type matches the variable’s data type.
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21.
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You can use an assignment statement to assign a value to a named
constant.
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22.
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If an expression contains more than one operator having the same priority, those
operators are evaluated from right to left.
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23.
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You can use the C++ ignore( ) function to instruct
the computer to first read and then consume characters entered at the keyboard.
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Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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24.
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____ is called the insertion operator.
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25.
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____ is called the extraction
operator.
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26.
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____ refers to running the program, along with
sample data, on the computer.
a. | Debugging | c. | Linking | b. | Testing | d. | Compiling |
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27.
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____ refers to the process of locating and removing
any errors in a program.
a. | Debugging | c. | Linking | b. | Testing | d. | Compiling |
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28.
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You create a comment by typing ____ before the text
you want treated as a comment.
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29.
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____ is an example of a variable name using camel case.
a. | GrossPay | c. | gross_pay | b. | GROSSPAY | d. | grossPay |
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30.
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The ____ data type stores a single precision floating-point number.
a. | short | c. | float | b. | double | d. | string |
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31.
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The ____ data type stores zero or more characters.
a. | short | c. | char | b. | double | d. | string |
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32.
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A program using the string class should contain the
____ statement.
a. | using <string>; | c. | using
std::string; | b. | #include
<std::string> | d. | #include <iostring> |
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33.
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____ is a character literal constant.
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34.
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Memory locations having the bool data type typically
are initialized using either the C++ keyword ____ or the C++ keyword ____.
a. | True, False | c. | TRUE, FALSE | b. | true, false | d. | T, F |
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35.
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After executing the following lines of code, the result will be
____.
int average = 0;
double test1 = 90.0;
double test2 =
81.0;
average = (test1 + test2) / 2;
a. | 85 assigned to average | c. | 86 assigned to average | b. | 85.5 assigned to
average | d. | a syntax error |
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36.
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The statement ____ creates a string variable named
company and initializes it to the empty string.
a. | string company = ''; | c. | string company = ""; | b. | string company = '
'; | d. | string company = " "; |
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37.
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The highest precedence number an arithmetic operator can have in C++ is
____.
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38.
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The ____ function can be used to get string input from the user at the
keyboard.
a. | getline( ) | c. | getchars(
) | b. | getstring( ) | d. | gettext(
) |
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