Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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Which C++ operator is used to determine the integer remainder value of a
division operation?
a. | balance | c. | left | b. | remainder | d. | modulus |
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2.
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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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3.
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Which of the following symbols represents the C++ assignment
operator?
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4.
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For the expression: x = 13 % 5; What would be the result stored in
x
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5.
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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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6.
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Which of the following items has the highest order of operations?
a. | multiplication | c. | negation | b. | division | d. | addition |
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7.
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Which term below describes the C++ operators used to perform calculations in a
program?
a. | arithmetic | c. | mathematical | b. | logical | d. | all of the
above |
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8.
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What will occur to the value in the variable count when the instruction
count++; is executed?
a. | the value will have its sign changed | c. | the value will be raised to a power
of 2 | b. | the value will be increased by one | d. | the value will be
doubled |
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9.
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Which of the following statements could be used in a C++ program to initialize
three variables to the same value in one statement?
a. | i j k = 25; | c. | i = j = k = 25; | b. | i, j, k = 25; | d. | none of the
above |
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True/False
Indicate whether the
statement is true or false.
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10.
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The C++ assignment operator functions the same way the equal sign
functions in algebra.
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11.
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The C++ initialization operator changes the value of the variable to the
left of the operator.
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12.
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C++ allows variables of different data types to be initialized in a single
program statement.
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13.
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Including arithmetic operations in output statements can save memory and result
in fewer programming statements being written.
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14.
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The C++ division operator symbol is the backward slash (\).
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15.
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The minus sign (-) can be used to change the sign of a variable or value.
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16.
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You should not include calculations in output statements if you will need to
access or process the result of the calculation later in the program.
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17.
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Parentheses can be used in an expression to change the order of
operations.
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18.
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Programs that will perform divide operations do not need to include code to
check for division by zero since it is always trapped and corrected by the compiler.
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19.
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In the statement, x = --y; the value assigned to x will be one
less than the current value of y.
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20.
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The assignment operator can be used in a variable declaration statement
to declare and initialize the variable in one statement.
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