Completion
Complete each
statement.
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1.
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The C++ ____________________ data type can hold only one of two values, one that
represents True or a value that represents False.
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2.
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The process of assigning a value to a variable when it is declared is called
____________________ the variable.
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3.
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The C++ language is ____________________ and variables named price, and
Price, would be treated as separate variables.
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4.
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A(n) ____________________ is a named location in a program that is used to store
data that can be accessed and modified while the program is executing.
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True/False
Indicate whether the
statement is true or false.
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5.
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The C++ integer data types are used for storing real numbers.
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6.
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Variables must be declared at the beginning of a function or before the first
function in the program, and cannot be declared following any program code statements.
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7.
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Multiple variables can be declared in a single program statement as long as they
are all of the same data type.
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8.
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Alphabetic characters are stored internally in a computer as a numeric
value.
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9.
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If no value is assigned to a numeric variable when it is declared, the compiler
automatically sets it to a value of zero.
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Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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10.
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Which of the following rules is true when it comes to assigning a name to a
variable?
a. | a variable name can start with an underscore | b. | variable names can
contain spaces | c. | a variable name can start with a number | d. | all of the
above |
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11.
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What name is used to describe a group of characters used together in a program
to form a word or a sentence?
a. | string | c. | block | b. | phrase | d. | set |
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12.
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What name is used to describe an area of a program that is used to store data
that cannot be changed while the program is running?
a. | variable | c. | fixture | b. | constant | d. | container |
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13.
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What is the name of the code used by most computers to assign numeric values to
characters?
a. | ASCDR | c. | ASCAP | b. | ASNUM | d. | ASCII |
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14.
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What keyword is used to define a constant value in a program?
a. | con | c. | const | b. | cons | d. | constant |
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15.
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Which statement below shows the correct syntax for declaring a variable named
cost with a data type of long, and an initial value of 57.650?
a. | long cost = 57.650; | c. | long cost,57.650 ; | b. | long cost:57.650; | d. | cost type = long, value =
57.650; |
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16.
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What term is used to describe the process of assigning a name to a variable and
telling the compiler what data type to use for the variable?
a. | designating a variable | c. | variable generation | b. | assigning a variable | d. | declaring a
variable |
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