Deck 4: Variables and Arithmetic Operations

Question 1

A(n)PredefinedTextBox object is a text box that allows the use of predefined layouts for the data a user must enter._________________________

Answer 1

False,MaskedTextBox

Question 2

The ____ indicates that a statement is an assignment statement.

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

Answer 2

C

Question 3

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

Answer 3

C

Question 4

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 5

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

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

Question 6

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

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

Question 7

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 8

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

Question 9

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 10

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

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

Question 11

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

Question 12

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 13

____ is an arithmetic operation.

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

Question 14

The Decimal data type can represent ____.

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

Question 15

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 16

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 17

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

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

Question 18

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

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

Question 19

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 20

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 21

The prefix ____ should be used for a Double variable.

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

Question 22

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

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

Question 23

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 24

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

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

Question 25

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

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

Question 26

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 27

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

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

Question 28

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 29

The ____ operator is used for exponentiation.

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

Question 30

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 31

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

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

Question 32

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

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

Question 33

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

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

Question 34

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 35

The \ operator is the arithmetic operator for ____ division.

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

Question 36

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

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

Question 37

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

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

Question 38

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

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

Question 39

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 40

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

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

Question 41

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

Question 42

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 43

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 44

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

Question 45

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

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

Question 46

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 47

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 48

The ____ operator is used to concatenate two strings.

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

Question 49

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

Question 50

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

Question 51

A numeric data type must be used in arithmetic operations.

Question 52

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 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

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 55

String data types can be used in arithmetic operations.

Question 56

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 57

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 58

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

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

Question 59

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

Question 60

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 61

Integer variables can be used to store fractional values.

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

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

Question 64

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

Question 65

Char variables can be used in arithmetic operations.

Question 66

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

Question 67

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

Question 68

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

Question 69

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

Question 70

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

Question 71

MOD operations occur before any other arithmetic operations.

Question 72

The Option Strict On statement enables automatic data type conversions.

Question 73

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

Question 74

A Double variable can be used in arithmetic operations.

Question 75

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 76

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

Question 77

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

Question 78

The ToString function requires a format specifier argument.

Question 79

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

Question 80

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