True/False
Indicate whether the
sentence or statement is true or false.
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1.
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C++ source code can be created using any text editor program.
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2.
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Comment statements are frequently used to provide special instructions to
the compiler.
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3.
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All C++ programs consist of a single function, called main().
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4.
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C++ comment statements are frequently used to explain how a portion of a
program works to make it easier for someone else to understand the program.
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5.
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In a C++ program, a variable named alpha can also be referenced as
Alpha or ALPHA in the same program.
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6.
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The C++ integer data types are used for storing real numbers.
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7.
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The C++ division operator symbol is the backward slash (\).
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8.
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The C++ assignment operator functions the same way the equal sign
functions in algebra.
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9.
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Parentheses can be used in an expression to change the order of
operations.
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10.
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The destination of the input obtained using the cin statement must be a
variable or variables.
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11.
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Although two characters appear when a special character is used, as in the
\n special character, the compiler interprets it as a single character.
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Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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12.
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Every C++ program must have which of the following?
a. | compiler directives | c. | a main() function | b. | comment statements | d. | all of the
above |
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13.
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What characters are used in C++ source code to indicate the beginning and end of
a block of code?
a. | parentheses ( ) | c. | curly braces { } | b. | angle brackets < > | d. | square brackets [
] |
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14.
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Which of the following rules is true when it comes to assigning a name to a
variable?
a. | variable names can contain spaces | b. | a variable name can start with a
number | c. | a variable name can start with an underscore | d. | all of the
above |
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15.
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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. | block | c. | string | b. | set | d. | phrase |
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16.
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Very large, and very small numbers, possibly containing fractional values can be
stored in which of the following data types?
a. | int | c. | long | b. | double | d. | all of the
above |
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17.
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What keyword is used to define a constant value in a program?
a. | constant | c. | con | b. | cons | d. | const |
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18.
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Which of the following symbols represents the C++ assignment
operator?
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19.
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Which C++ operator is used to determine the integer remainder value of a
division operation?
a. | modulus | c. | left | b. | remainder | d. | balance |
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20.
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While most arithmetic operators are always used with two operands, which
operator below can also be used with a single operand?
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21.
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For the expression: x = 13 % 5; What would be the result stored in
x
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22.
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Which statement below could be used in a C++ program to display a message and
the result of a calculation to the user without requiring a variable to store the result?
a. | cout << "Result = x/y" << endl; | c. | cout << "Result = "
<< x/y << endl; | b. | cout << "Result = " x/y
<< endl; | d. | cout
<< "result = x/y endl; << |
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23.
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What will occur to the value in the variable count when the instruction
count++; is executed?
a. | the value will be increased by one | c. | the value will have its sign
changed | b. | the value will be doubled | d. | the value will be raised to a power of 2 |
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24.
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Which of the following items has the highest order of operations?
a. | multiplication | c. | addition | b. | division | d. | negation |
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25.
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What is the name of the method in the oostring class that returns the
current length of the string object?
a. | length | c. | len | b. | size | d. | strlen |
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26.
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What character below is used to indicate to the C++ compiler that a special
character is being used?
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27.
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Which of the following statements can be used as an alternative to the \n
character?
a. | newl | c. | brkln | b. | nxtln | d. | endl |
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