Deck 4: Variables and Arithmetic Operations

Question 1

A(n) green squiggly underline beneath a variable name in a declaration statement indicates that the variable is not references within the program.

Answer 1

True

Question 2

The Void procedure clears any data currently placed in the Text property of a TextBox object. _________________________

Answer 2

False

Question 3

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

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

Answer 3

D

Question 4

When defining a variable to be used to hold values that the user enters in a TextBox object, 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 5

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

Question 6

A(n) PredefinedTextBox object can be used to control the format of data that a user enters.

Question 7

A variable is ____.

A) a place where data is stored
B) a named location in RAM
C) defined in the coding of the program
D) a location in memory

Question 8

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

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

Question 9

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

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

Question 10

The Double data type can store a ____.

A) floating-point number
B) very small negative number
C) huge positive number
D) value to the right of the decimal point

Question 11

A ____ beneath a variable name in a declaration statement indicates that the variable is not referenced within the program.

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

Question 12

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 13

A ____ can be represented by using the Char data type.

A) letter
B) very large number
C) punctuation symbol
D) symbol

Question 14

The ____ indicates that a statement is an assignment statement.

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

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

The AcceptButton property of the form specifies which button will be activated when the ____ key on the keyboard is pressed.

A) F2
B) ENTER
C) ESC
D) CTRL

Question 17

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

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

Question 18

____ is an arithmetic operation.

A) Comparison
B) Division
C) Addition
D) Multiplication

Question 19

The Decimal data type can represent ____.

A) dollar amounts
B) very precise decimal numbers
C) large numbers
D) numbers accurate to 280 digits

Question 20

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

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

Question 21

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

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

Question 22

The prefix ____ should be used for a Double variable.

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

Question 23

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

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

Question 24

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

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

Question 25

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 26

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 27

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 28

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 29

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

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

Question 30

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

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

Question 31

The \ operator is the arithmetic operator for ____ division.

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

Question 32

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

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

Question 33

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

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

Question 34

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

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

Question 35

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

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

Question 36

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

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

Question 37

The ____ operator is used for exponentiation.

A) *
B) ^
C) ˜
D) \

Question 38

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 39

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 40

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 41

Users always follow the expected path.

Question 42

Whenever data is stored in RAM, it does not need to be stored as a particular data type.

Question 43

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

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

Question 44

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 45

A numeric data type must be used in arithmetic operations.

Question 46

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

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

Question 47

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 48

The ____ operator is used to concatenate two strings.

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

Question 49

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

Question 50

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 51

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 52

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

Question 53

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 54

A TextBox object allows a user to enter programming code into the program during program execution.

Question 55

Which of the following can be used to connect string text?

A) *
B) +
C) ^
D) %

Question 56

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 57

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 58

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

Question 59

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 60

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 61

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

Question 62

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

Question 63

Char variables can be used in arithmetic operations.

Question 64

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

Question 65

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

Question 66

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

Question 67

The Option Strict On statement enables automatic data type conversions.

Question 68

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

Question 69

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

Question 70

MOD operations occur before any other arithmetic operations.

Question 71

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

Question 72

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

Question 73

A(n) ____________________ object allows you to specify the data format of the value typed into the text box.

Question 74

String data types can be used in arithmetic operations.

Question 75

The term ____________________ refers to a predefined layout for the data a user enters.

Question 76

Integer variables can be used to store fractional values.

Question 77

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

Question 78

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

Question 79

The ToString function requires a format specifier argument.

Question 80

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