Deck 4: Variables and Arithmetic Operations

Question 1

When naming a Label object, the ____ prefix should be used.

A) label
B) lbl
C) lab
D) txtlbl

Answer 1

B

Question 2

A green squiggly underline beneath a variable name in a declaration statement indicates that the variable is unused in the program.

Answer 2

True

Question 3

A(n) ____ data type must be used in arithmetic operations.

A) string
B) numeric
C) character
D) Either A or B

Answer 3

B

Question 4

The prefix ____ should be used for naming a TextBox object.

A) tbox
B) txtbox
C) txt
D) obj

Question 5

When defining a variable, the keyword ____ appears at the beginning of the statement.

A) Assign
B) Declare
C) Define
D) Dim

Question 6

The ____ indicates that a statement is an assignment statement.

A) keyword Set
B) ampersand (&)
C) equal sign (=)
D) keyword Assign

Question 7

The ampersand character at the end of a line in the code editor indicates that the line of code continues on the next line.

Question 8

The memory allocation for the Char data type is ____ bytes.

A) 2
B) 4
C) 8
D) 16

Question 9

A prefix of ____ is used for variables defined as a String data type.

A) chr
B) wrd
C) str
D) txt

Question 10

A ____ beneath a variable name in a declaration statement indicates that the variable has not been used in the program.

A) blue squiggly underline
B) green squiggly underline
C) red squiggly underline
D) yellow squiggly underline

Question 11

A variable that will be used to hold only True or False values should be declared as a(n) ____ data type.

A) Boolean
B) Decimal
C) Integer
D) Single

Question 12

A prefix of ____ is used to denote a variable defined as an Integer data type

A) num
B) dec
C) nbr
D) int

Question 13

The CancelButton property of the Form object allows you to specify which button is activated when the CTRL key on the keyboard is pressed.

Question 14

Figure 4-1 As utilized in the accompanying figure, a PredefinedTextBox object is a text box that allows the use of predefined layouts for the data a user must enter.

Question 15

The event handler of a button designated as the Cancel button will be processed when the user presses the ____ key on the keyboard.

A) ESC
B) ENTER
C) CTRL
D) ALT

Question 16

Figure 4-2 As shown in the accompanying figure, the ____ property of the form specifies which button will be activated when the ENTER key on the keyboard is pressed.

A) GoButton
B) AcceptButton
C) EnterButton
D) ReturnButton

Question 17

A variable that will be used to contain only whole numbers should be declared as a(n) ____ data type.

A) Decimal
B) Double
C) Integer
D) Single

Question 18

When defining a variable to be used to hold textual information containing multiple characters, the declaration statement should have ____ at the end of the statement.

A) As Char
B) As Char Type
C) As String
D) As String Type

Question 19

A(n) ____ variable should be used for values that will consist of a single character only.

A) Boolean
B) Char
C) Decimal
D) Integer

Question 20

The Void procedure is used to empty the contents of a TextBox object at runtime.

Question 21

The prefix ____ should be used for a Double variable.

A) dbl
B) dub
C) dou
D) dob

Question 22

The character C is the literal type character for the ____ data type.

A) Char
B) Short
C) Integer
D) Decimal

Question 23

The ____ operator is used for exponentiation.

A) *
B) ^
C) ~
D) \

Question 24

The ____ operator is used to concatenate two strings.

A) &
B) #
C) @
D) +

Question 25

The \ operator is the arithmetic operator for ____ division.

A) integer
B) decimal
C) modular
D) linear

Question 26

When the user interacts with an object in the graphical user interface, the ____ shifts to that object.

A) scope
B) focus
C) visibility
D) precision

Question 27

Used with the ToString function, the ____ format specifier will display the value 8976.43561 as 8976.44.

A) Fixed (F)
B) Number (N)
C) General (G)
D) Currency (C)

Question 28

A prefix of ____ is used to denote a variable defined as a Decimal data type.

A) dec
B) dml
C) num
D) int

Question 29

The ____ statement prevents automatic conversion of data types.

A) Manual Conversion On
B) Option Strict Off
C) Manual Conversion Off
D) Option Strict On

Question 30

The dtm prefix is used to denote a(n) ____ data type.

A) Boolean
B) Char
C) Single
D) Date

Question 31

The ____ of a variable indicates how long the variable remains active.

A) lifetime
B) scope
C) range
D) duration

Question 32

Used with the ToString function, the ____ format specifier will display the value 8976.43561 as 8,976.44.

A) Fixed (F)
B) Number (N)
C) Currency (C)
D) General ( G)

Question 33

When using ____ division (\), any remainder amount is dropped or truncated.

A) modular
B) integer
C) linear
D) decimal

Question 34

The ____ of a variable specifies where a variable can be referenced within a program.

A) range
B) lifetime
C) scope
D) scale

Question 35

A variable that has been defined as a Single data type is denoted with the ____ prefix.

A) sng
B) sin
C) num
D) sge

Question 36

Used with the ToString function, the ____ format specifier will display the value 8976.43561 as $8,976.44.

A) Fixed (F)
B) Number (N)
C) General (G)
D) Currency (C)

Question 37

A prefix of ____ is used to denote a variable defined as a Char data type.

A) str
B) chr
C) txt
D) wrd

Question 38

Used with the ToString function, the ____ format specifier will display the value 8976.43561 as 8976.43561.

A) Fixed (F)
B) Number (N)
C) General (G)
D) Currency (C)

Question 39

A prefix of ____ is used to denote that a variable has been defined as a Boolean data type.

A) tru
B) tfl
C) bln
D) trf

Question 40

The character D is the literal type character for the ____ data type.

A) Single
B) Integer
C) Double
D) Decimal

Question 41

A Label object allows a user to enter text into a program at runtime.

Question 42

A Short data type is used for a very short string value of 10 bytes or less.

Question 43

A ____ Exception occurs when code attempts to divide a number by zero.

A) Divide by Zero
B) Zero denominator
C) Zero error
D) Division Error

Question 44

A(n) ____ Exception occurs when the user enters a value larger than the maximum value that can be processed by the statement.

A) Excessive input
B) MaxSize
C) Stack
D) Overflow

Question 45

A TextBox object allows a user to enter programming code into the program at runtime.

Question 46

A Double variable can be used in arithmetic operations.

Question 47

A(n) ____ Exception occurs when a calculation creates a value larger than one that can be processed by a procedure.

A) Excessive input
B) MaxSize
C) Stack
D) Overflow

Question 48

Char variables can be used in arithmetic operations.

Question 49

The process of joining two string values together is called ____.

A) addition
B) alignment
C) combination
D) concatenation

Question 50

The variable name on the left of an assignment statement is the variable that receives the data that results from the evaluation of the expression on the right side of the assignment statement.

Question 51

The maximum size of a TextBox object often is determined by the design of the user interface, so it looks and feels good in the user interface.

Question 52

String data types can be used in arithmetic operations.

Question 53

You must enclose a value in parentheses to assign it to a variable declared as Char data type.

Question 54

A numeric data type must be used in arithmetic operations.

Question 55

A ____ Exception occurs when the user enters data that a statement cannot properly handle.

A) Style
B) Substance
C) Format
D) Setting

Question 56

A String data type allows for the storing of the standard English letters only.

Question 57

When setting up a mask for a MaskedTextBox object, select the Use Validating Type check box to cause the object to verify that the user entered valid numeric data.

Question 58

The style of the text displayed in a TextBox object can be set using the Font property.

Question 59

Integer variables can be used to store fractional values.

Question 60

By default, a text box will display as many lines of text as the user enters.

Question 61

Calculations are preformed from right to left, working towards the equal sign.

Question 62

To force a literal value to be treated as a specific data type, you must use a literal-type character designator.

Question 63

An Overflow Exception will occur if the user enters a value greater than the maximum value that can be processed by the statement.

Question 64

The ____________________ property of a TextBox object controls the alignment of the text content.

Question 65

A property identifies a value required by a procedure that must be passed into the procedure when it is called.

Question 66

Figure 4-3 A(n) ____________________ variable as defined in the accompanying figure will contain a permanent value throughout the execution of the program.

Question 67

A(n) ____________________ is a named location in RAM that can store a value that may change during program execution.

Question 68

In an assignment statement, the value to the right of the equal sign will be ____________________ to the variable on the left.

Question 69

The ____________________ data type holds a nondecimal whole number value.

Question 70

A(n) ____________________ text box allows the user to enter multiple lines in a text box.

Question 71

The event handler of a button designated as the Accept button will be processed when the user presses the ____________________ key on the keyboard.

Question 72

A procedure that does not return a value is called a function.

Question 73

The ToString function requires a format specifier argument.

Question 74

Figure 4-1 As shown in the accompanying figure, a(n) ____________________ object allows you to specify the data format of the value typed into the text box.

Question 75

A variable that can be used in multiple regions of code is called a universal variable.

Question 76

Figure 4-1 As illustrated in the accompanying figure, the term ____________________ refers to a predefined layout for the data a user must enter.

Question 77

A(n) ____________________ object is a GUI object that allows users to enter data into a program.

Question 78

A local variable is a variable that can only be accessed in the region in which it was defined.

Question 79

The Option Strict On statement enables automatic data type conversions.

Question 80

MOD operations occur before any other arithmetic operations.