Deck 3: Processing Data

Question 1

A numeric literal such as 3.5 is considered by the compiler to be a ____________.

A) real number
B) floating-point value
C) decimal literal
D) double literal

Answer 1

D

Question 2

If a statement in the try block throws an exception, the program immediately jumps to a ____________.

A) catch block
B) try block
C) run block
D) break block

Answer 2

A

Question 3

The ____________ contains statements that can potentially throw an exception.

A) break block
B) catch block
C) try block
D) run block

Answer 3

C

Question 4

Which one of the following statements initializes a variable with an integer literal?

A) int score = 2500;
B) decimal total = 156.78m;
C) double rate = 0.00435;
D) string name = "Michelle";

Question 5

A ____________ is a identifier for a value that cannot be modified during the program's execution.

A) sentinel
B) literal
C) keyword
D) named constant

Question 6

A(n) ____________ specifies how a class member can be accessed by code located outside the class.

A) variable name
B) access modifier
C) namespace
D) class name

Question 7

If you do not initialize a(n) ____________ field, it begins with a special value known as null.

A) int
B) decimal
C) double
D) string

Question 8

A ____________ is a field whose value cannot be modified at runtime.

A) literal field
B) constant field
C) sentinel field
D) common field

Question 9

A numeric literal that is assumed to be an integer is called a(n) ____________.

A) real number
B) integer literal
C) natural literal
D) common value

Question 10

Appending the letter M or m to a numeric literal causes the number to be considered a ____________.

A) monetary literal
B) double literal
C) decimal literal
D) mnemonic literal

Question 11

The ____________ is commonly used in financial applications because it can store real numbers with a large number of digits to the right of the decimal point.

A) string
B) int
C) double
D) decimal

Question 12

A ____________ is a variable that is declared inside a class but not inside of any method.

A) named constant
B) field
C) namespace
D) property

Question 13

Which one of the following statements initializes a variable with a decimal literal?

A) string displayPrice = "$14.99";
B) decimal budget = 450m;
C) int inventory = 150;
D) double volume = 30.25;

Question 14

The .NET Framework provides a class named ____________ containing numerous methods for performing advanced mathematical operations.

A) Linq
B) Trig
C) Math
D) Calc

Question 15

When an exception is thrown, an object known as a(n) ____________ is created in memory.

A) exception object
B) debug variable
C) try object
D) state object

Question 16

A ____________ is a number that is directly written into a program's code.

A) numeric literal
B) binary constant
C) real value
D) source digit

Question 17

Assuming an application has an exception object named ex, which one of the following statements would cause the exception's default error message to be displayed in a message box?

A) MessageBox(ex.Message);
B) ex.Message = MessageBox.Text;
C) MessageBox.Show(ex.Message);
D) MessageBox.Text = ex.Message;

Question 18

In a try-catch statement, the ____________ keyword appears immediately after the try block.

A) try
B) catch
C) break
D) continue

Question 19

Which one of the following statements declares a named constant named GRAVITY with an initialization value of 9.8?

A) double GRAVITY = 9.8 const;
B) const double GRAVITY = 9.8;
C) double const GRAVITY = 9.8;
D) double GRAVITY const = 9.8;

Question 20

Which one of the following statements initializes a variable with a double literal?

A) string modelNumber = "R2C32";
B) double percentage = 23.59;
C) int width = 150;
D) decimal bonus = 0.99m;

Question 21

The TextBox control is located in the ____________ group of the Toolbox.

A) Common Controls
B) Dialog
C) Components
D) Containers

Question 22

The ____________ operator produces a string that is the combination of the two strings used as its operands.

A) +
B) =
C) *
D) &

Question 23

Clicking View and then Tab Order on the Visual Studio menu bar will cause the form to be displayed in __________ mode.

A) design
B) tab order selection
C) default focus
D) compile

Question 24

Fundamental types of data, such as integers and real numbers are known as ____________.

A) fundamental data types
B) primitive data types
C) natural data types
D) basic data types

Question 25

Which one of the following statements declares a string variable named message?

A) message string;
B) string = message;
C) string message;
D) string + message;

Question 26

The ____________ property contains an integer value that indicates the control's position in the tab order.

A) TabIndex
B) FocusIdex
C) OrderIndex
D) IndexValue

Question 27

When a user types something into a TextBox control, the input is stored in the control's ____________ property.

A) Text
B) Input
C) String
D) Value

Question 28

A variable of the ____________ data type can hold any sequence of characters, such as a person's name, address, or password.

A) int
B) double
C) string
D) decimal

Question 29

A(n) ____________ control is a rectangular area on a form that accepts keyboard input from the user.

A) Label
B) PictureBox
C) Input
D) TextBox

Question 30

The order in which controls receive the focus is called the ____________.

A) focus index
B) tab order
C) order element
D) tab index

Question 31

Which one of the following statements clears the Text property of a TextBox control named addressTextBox?

A) addressTextBox.Text = Text.Clear;
B) addressTextBox.Text = "";
C) addressTextBox = Nothing;
D) addressTextBox.Empty();

Question 32

A(n) ____________ is a storage location in memory that is represented by a name.

A) declaration
B) sector
C) variable
D) instance

Question 33

Assuming a string variable named movieTitle has already been declared, which one of the following statements combines the strings "The " and "Hobbit" and then assigns the resulting string to the variable?

A) movieTitle("The ", "Hobbit");
B) "The " + "Hobbit" = moveTitle;
C) movieTitle = "The " & "Hobbit";
D) movieTitle = "The " + "Hobbit";

Question 34

Which one of the following statements assigns the value contained in the Text property of a TextBox control named ageTextBox to the Text Property of a Label control named ageLabel?

A) ageLabel = ageTextBox;
B) ageTextBox.Text = ageLabel.Text;
C) ageLabel.Text = ageTextBox.Text;
D) ageTextBox = ageLabel;

Question 35

Inside a method, a variable's declaration statement must appear ____________ any other statements that use the variable.

A) after
B) before
C) near
D) in

Question 36

A common operation performed on strings is ____________, or appending one string to the end of another string.

A) extending
B) combination
C) concatenation
D) affixing

Question 37

A(n) ____________ specifies a variable's name and data type.

A) variable declaration
B) data indicator
C) object tag
D) source entity

Question 38

Which one of the following is the general format for a variable declaration statement?

A) VariableName DataType;
B) DataType VariableName;
C) DataName VariableType;
D) NameType VaraibleData;

Question 39

When an application is running, the control having the ____________ is the one that receives the user's keyboard input.

A) focus
B) scope
C) data
D) tab index

Question 40

Assuming a string variable named city has already been declared, which one of the following statements assigns the string literal "Vienna" to the variable?

A) "Vienna" = city;
B) city + "Vienna";
C) city("Vienna");
D) city = "Vienna";

Question 41

Which one of the following statements declares the string variables city, state, and zip using a single declaration statement?

A) string city, state, zip;
B) string city, string state, string zip;
C) string city; state; zip;
D) string city_state_zip;

Question 42

Which one of the following assignment statements will cause a syntax error because of mismatching data types?

A) double density = 34.12;
B) double length = 0.5;
C) double bonus = 24.95m;
D) double depth = 1200;

Question 43

When declaring multiple variables with one statement, use ____________ to separate the variable names.

A) semicolons (;)
B) underscores (_)
C) asterisks (*)
D) commas (,)

Question 44

You cannot declare two variables with the same ____________ in the same scope.

A) lifetime
B) data type
C) name
D) value

Question 45

The process of dropping a real number's fractional part is called ____________.

A) rounding
B) diminution
C) reduction
D) truncation

Question 46

A symbol used in code for performing calculations is ____________.

A) variable
B) control
C) math operator
D) expression

Question 47

A variable's ____________ is the time period during which the variable exists in memory while the program is executing.

A) span
B) lifetime
C) instance
D) latency

Question 48

Which one of the following statements initializes the color variable with the string "red"?

A) color = "red";
B) string color = "red";
C) "red" = string color;
D) string color("red");

Question 49

A(n) ____________ variable belongs to the method in which it is declared, and only statements inside that method can access the variable.

A) limited
B) local
C) global
D) static

Question 50

A ____________ holds only one data value at any given moment in time.

A) program
B) data type
C) method
D) variable

Question 51

Programmers use the term ____________ to describe the part of a program in which a variable may be accessed.

A) scope
B) lifetime
C) method
D) accessibility

Question 52

Which one of the following assignment statements will cause an error because of mismatching data types?

A) decimal cost = 0.99m;
B) decimal retail = 100;
C) decimal wholesale = 50.0;
D) decimal fee = 0.01m;

Question 53

A ____________ variable's scope begins at the variable's declaration and ends at the end of the method in which the variable is declared.

A) global
B) static
C) local
D) basic

Question 54

When coding most statements, you can press the ____________ key when you reach an appropriate point to continue the statement on the next line.

A) Enter
B) Tab
C) X
D) Shift

Question 55

A variable of the ____________ data type can hold whole numbers only.

A) string
B) int
C) double
D) decimal

Question 56

You cannot assign a double or a decimal value to an int variable because such an assignment could result in ____________.

A) buffer overflow
B) a runtime error
C) a loss of data
D) value sharing conflicts

Question 57

You can use a(n) ____________ to explicitly convert a value from one numeric data type to another, even if the conversion might result in a loss of data.

A) cast operator
B) conversion formula
C) data binding
D) explicit operator

Question 58

You can assign a value to a variable only if the value is compatible with the variable's ____________.

A) data type
B) name
C) scope
D) lifetime

Question 59

One way to make sure a variable has been assigned a value is to ___________ the variable with a value when you declare it.

A) initialize
B) instantiate
C) concatenate
D) compare

Question 60

The ____________ data type is used to store any number that might have a fractional part.

A) string
B) int
C) double
D) boolean

Question 61

C# has a special set of operators known as ____________ that change the value of a variable without having to type the variable name twice.

A) identity operators
B) combined assignment operators
C) quick-change operators
D) assessment operators

Question 62

The ____________ method can be used to convert a string to an int.

A) int.Parse
B) Parse.int
C) Parse.ToString.int
D) ToString.Parse.int

Question 63

The programming language's ____________ dictates which operations are performed first in a mathematical expression.

A) least significant value
B) order of operations
C) compiler version
D) operator position

Question 64

When a math expression involves an int and a double, the result will be a __________.

A) int
B) decimal
C) string
D) double

Question 65

In computer science, the term ____________ typically means to analyze a string of characters for some purpose.

A) compile
B) decrypt
C) scan
D) parse

Question 66

The ____________ method can be used to convert a string to a decimal.

A) decimal.ToString
B) Parse.decimal
C) ToString.decimal
D) decimal.Parse

Question 67

The values on the right and left sides of a math operator are called ____________.

A) factors
B) derivatives
C) operands
D) identities

Question 68

A(n) ____________ contains operators, constants, and variables, and performs a calculation.

A) math expression
B) algorithm
C) data utility
D) variable

Question 69

Please examine the following code sample: int distance; // Declare distance as an int
Double half; // Declare half as a double
Distance = 35; // Assign 35 to distance
Half = distance / 2; // Calculate half the distance
What value is assigned to the half variable?

A) 70
B) 17.5
C) 18
D) 17

Question 70

When a math expression involves an int and a decimal, the result will be a ___________.

A) decimal
B) double
C) string
D) int

Question 71

When an operation is performed on two decimal values, the result will be a(n) ____________.

A) string
B) int
C) decimal
D) double

Question 72

A math expression involving a double and a(n) ____________ is not allowed unless a cast operator is used to convert one of the operands.

A) int
B) double
C) decimal
D) All of these

Question 73

Parts of a mathematical expression may be grouped with ____________ to force some operations to be performed before others.

A) parentheses
B) double quotation marks
C) braces
D) semicolons

Question 74

When an operation is performed on two double values, the result will be a(n) ____________.

A) int
B) double
C) string
D) decimal

Question 75

A(n) ____________ is an unexpected error that occurs while a program is running, causing the program to halt if the error is not properly dealt with.

A) bug
B) exception
C) logic error
D) illegal operation

Question 76

When an operation is performed on two int values, the result will be a(n) ____________.

A) decimal
B) double
C) string
D) int

Question 77

To convert a the contents of a string to any of the numeric data types, we use a family of methods in the .NET Framework known as the ____________.

A) Convert methods
B) itoa methods
C) ToString methods
D) Parse methods

Question 78

A data value (variable or constant) passed into a method is known as a(n) ____________.

A) argument
B) delimiter
C) descriptor
D) factor

Question 79

In C#, all variables have a(n) ____________ method that you can call to convert the variable's value to a string.

A) ToString
B) Convert
C) Parse
D) Text

Question 80

The ____________ method can be used to convert a string to a double.

A) Parse.double
B) double.Parse
C) ToString.double
D) double.ToString