True/False
Indicate whether the
statement is true or false.
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1.
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You use the selection structure to make a decision and then select the
appropriate path—either the true path or the false path—based on the result.
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2.
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Only one path in a selection structure can include instructions that declare
variables, perform calculations, and so on.
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3.
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Only one path in a selection structure can include other selection
structures.
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4.
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You cannot use a nested selection structure when more than one decision must be
made before the appropriate action can be taken.
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5.
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When only one decision needs to be made, it does not require a nested selected
structure.
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6.
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The instructions in the true path of a nested structure should not be indented
within the inner selection structure.
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7.
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There is no reason to swap values in the sum/difference problem presented in
this chapter when the two numbers are equal.
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8.
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When comparing two numbers, keep in mind that the first number can be greater
than, less than, or equal to the second number.
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9.
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Like expressions containing comparison operators, expressions containing logical
operators always evaluate to a Boolean value.
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10.
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Logical operators are always evaluated before any comparison operators in an
expression.
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11.
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The AndAlso operator has a precedence number of 2.
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12.
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The OrElse operator has a precedence number of 2.
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13.
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At times, you may need to create a selection structure that can choose from
several alternatives.
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14.
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Using nested If…Then…Else statements is a much more convenient way
of coding a multiple-path selection structure than using the If…ElseIf…Else
statement.
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15.
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Variables declared with the Integer, Decimal, and Double data types can store
numbers only.
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16.
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The value stored in the Text property is treated as alphanumeric text.
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17.
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As is true in most programming languages, string comparisons in Visual Basic are
not case sensitive.
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18.
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In Visual Basic, the uppercase version of a letter is the same as its lowercase
counterpart.
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19.
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Each character on the computer keyboard is stored differently in the
computer’s internal memory.
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20.
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Unicode assigns a unique numeric value to each character used in the written
languages of the world.
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21.
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The data type of the expressions in a Select Case statement does not need to be
compatible with the data type of the selectorExpression.
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22.
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The If...Then...Else statement is the only statement you can use to code a
multiple-path selection structure in Visual Basic.
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23.
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A radio button is created using the RadioButton tool in the toolbox, and it
allows the user to choose more than one choice in a group of two or more related but not mutually
exclusive choices.
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24.
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The minimum number of radio buttons in a group is two, because the only way to
deselect a radio button is to select another radio button.
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Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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25.
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When either a selection structure’s true path or its false path contains
another selection structure, the inner selection structure is referred to as a(n) ____
structure.
a. | indented | c. | nested selection | b. | nested | d. | indented
selection |
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26.
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A(n) ____ selection structure is contained within the outer selection
structure.
a. | nested | c. | coated | b. | indented | d. | shell |
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27.
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You use a ____ selection structure when more than one decision must be made
before the appropriate action can be taken.
a. | shell | c. | logical | b. | nested | d. | split |
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28.
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In a nested structure, the instructions in both the true and false paths should
be ____ within the outer selection structure.
a. | assigned | c. | collected | b. | bracketed | d. | indented |
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29.
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Logical operators, sometimes referred to as ____ operators, allow you to combine
two or more conditions into one compound condition.
a. | truth | c. | Boolean | b. | compound | d. | syntactic |
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30.
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Expressions containing logical operators always evaluate to a(n) ____
value.
a. | Boolean | c. | string | b. | conditional | d. | compound |
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31.
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With the ____ operator, all conditions must be True for the compound condition
to be True.
a. | AndAlso | c. | AndElse | b. | OrAlso | d. | OrElse |
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32.
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With the ____ operator, only one of the conditions needs to be True for the
compound condition to be True.
a. | AndAlso | c. | AndElse | b. | OrAlso | d. | OrElse |
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33.
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If an expression contains logical operators, comparison operators, and
arithmetic operators, ____.
a. | the comparison operators are evaluated first | b. | the arithmetic
operators are evaluated first | c. | the logical operators are evaluated
first | d. | the operators are evaluated in order |
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34.
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If an expression contains logical operators, comparison operators, and
arithmetic operators, ____.
a. | the comparison operators are evaluated last | b. | the arithmetic
operators are evaluated last | c. | the logical operators are evaluated
last | d. | the operators are evaluated in order |
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35.
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When the computer processes the expression 12 > 0 AndAlso 12 < 10 * 2, it
evaluates the ____ operator first.
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36.
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When the computer processes the expression 12 > 0 AndAlso 12 < 10 * 2, it
evaluates the ____ operator last.
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37.
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The pseudocode “if the hours worked are greater than or equal to 0 but
less than or equal to 40” is coded as ____ in Visual Basic.
a. | If decHours > 0 AndAlso decHours <
40 | b. | If decHours => 0 AndAlso decHours =<
40 | c. | If decHours >= 0 AndAlso decHours <=
40 | d. | If decHours >= 40 AndAlso decHours <=
0 |
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38.
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Multiple-path selection structures or ____ selection structures can choose from
several alternatives.
a. | complex | c. | extended | b. | staged | d. | control |
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39.
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The ____ data type can store alphanumeric text, which is text that may contain
letters, numbers, or special characters.
a. | String | c. | Integer | b. | Double | d. | Text |
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40.
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The three-character ID used when naming String variables (and String named
constants) is ____.
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41.
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The code to create a String variable is ____.
a. | dim string strCode | c. | dim strCode as string | b. | dim strCode
string | d. | dim Codestr as
string |
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42.
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____ is the universal coding scheme for characters.
a. | EBCDIC | c. | ASCII | b. | ANSI | d. | Unicode |
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43.
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You use the ____ method to convert a string to uppercase.
a. | ConvToUpper | c. | ToUpper | b. | strUpper | d. | ConvUpper |
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44.
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The Select Case statement begins with the keywords Select Case, followed by a(n)
____.
a. | listExpression | c. | expressionList | b. | expressionSelector | d. | selectorExpression |
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45.
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To include more than one expression in an expressionList, you separate each
expression with a ____.
a. | comma | c. | semicolon | b. | forward slash | d. | period |
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46.
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You can specify a range of values in a Case clause’s ____, such as the
values 1 through 4 or values greater than 10.
a. | statementList | c. | End Case | b. | expressionList | d. | Case |
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47.
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Each radio button can have a unique ____ key that allows the user to select the
button using the keyboard.
a. | choice | c. | select | b. | contact | d. | access |
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48.
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The recommended maximum number of radio buttons in a group is ____.
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49.
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The selected button in a radio button group is called the ____ radio button and
is either the radio button that represents the user’s most likely choice or the first radio
button in the group.
a. | default | c. | likely | b. | first | d. | preselected |
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50.
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You designate a radio button as the default radio button by setting the
button’s ____ property to the Boolean value True.
a. | Display | c. | Selected | b. | Default | d. | Checked |
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