Chapters 1 to 5 Flashcards
Property _________ specifies how text is aligned within a Label’s boundaries.
A) Alignment
B) TextAlign
C) Align
D) Aligntext
B) TextAlign
Which of the following If…Then statements correctly displays that a student received an A on an exam if the score was 90 or above?
A) If studentgrade = 90 Then displayLabel.Text = “Student received an A”
B) If studentgrade 90 Then displayLabel.Text = “Student received an A”
C) If studentgrade >= 90 Then displayLabel.Text = “Student received an A”
D) If studentgrade == 90 Then displayLabel.Text = “Student received an A”
C) If studentgrade >= 90 Then displayLabel.Text = “Student received an A”
In an activity diagram, a rectangle with curved sides represents ___________.
A) a complete algorithm
B) a comment
C) an action
D) the termination of the application
C) an action
The ^= operator _____________.
A) squares the value of the left operand by the value of the right operand and stores the result in the left operand.
B) adds the value of the right operand to the value of the left operand and stores the result in the left operand.
C) creates a new variable and assigns the value of the right operand to that variable.
D) multiplies the value of the left operand by the value of the right and stores the result in the left operand.
A) squares the value of the left operand by the value of the right operand and stores the result in the left operand.
When a value is placed into a memory location, the value _________ the previous value in that location.
A) copies
B) adds itself to
C) replaces
D) moves
C) replaces
The If …Then statement is called a ________ statement because it selects or ignore one action (or group of actions).
A) group-selection
B) single-selection
C) double-selection
D) multiple-selection
B) single-selection
An output label should ___________.
A) be distingueshed with other labels
B) initially have an empty Text property or a default value
C) use Fixed3D for the borderStyle property
D) All the above
D) All the above
The body of a Do While….Loop statement executes _____________.
A) at least once
B) never
C) while its condition is false
D) while its condition is true
D) while its condition is true
The if…Then…Else selection statement ends with the key words __________.
A) End if Else
B) End If
C) End Else
D) Else
B) End If
The __________ statement executes until its loop-termination condition becomes True.
A) Do While—-Loop
B) Do Until….Loop
C) While…Loop
D) Loop
B) Do Until….Loop
When a value is read from memory, that value is _____________.
A) overwritten
B) Not overwritten
C) replaced with a new value
D) moved to a new memory space
B) Not overwritten
Variables that store floating Point values should be declared as an _____________.
A) Int
B) Integer
C) Long
D) Double
D) Double
The ____________ window allows you to browse solution files
A) windows Explorer
B) Solution Explorer
C) IDE
D) property editor
B) Solution Explorer
Entering a value in a TextBox causes a ____________ event.
A) TextAltered
B) ValueChanged
C) ValueEntered
D) TextChanged
D) TextChanged
A __________ is a variable that helps control the number of times that a set of statements executes.
A) repeater
B) loop
C) counter
D) control statement
C) counter
A(n) __________ loop occurs when a condition in a Do While…Loop never becomes False.
A) nested
B) undefined
C) infinite
D) finite
C) infinite
An application enters break mode when __________.
A) a breakpoint is reached
B) Debug > Start is selected
C) there is syntax error
D) there is a logical error
A) a breakpoint is reached
A(n) ________ help the user understand a control’s purpose.
A) Button
B) descriptive Label
C) TextBox
D) title bar
B) descriptive Label
The data type in a variable declaration is immediately preceded by keyword ___________.
A) IsA
B) Type
C) As
D) Dim
C) As
A ________ occurs when an executed statement does not directly follow the previously executed statement in the written application
A) transfer of control
B) transition
C) logical error
D) flow
A) transfer of control
Property __________ maintains all the values in a ListBox.
A) Items
B) All
C) ListItemValues
D) List
A) Items
The symbol ________ is not a Visual Basic operator.
A) *
B) %
C) ^
D) <>
B) %
If number is initialized with the value 15, What value will number contain after the expression number += 7 executes?
A) 7
B) 22
C) 14
D) 15
B) 22
__________ is a programming language for sharing information via hyperlinked text documents on the World Wide Web.
A) HTTP
B) HTML
C) XML
D) Java
B) HTML
A(n) ___________ represents a user action, such as clicking a Button.
A) event
B) statement
C) method header
D) application
A) event
The expression to the right of an assignment operator is evaluated ________________ the assignment occurs.
A) before
B) after
C) at the same time
D) None of the above
A) before
The Form’s ________ property specifies the text that is displayed in the Form’s title bar.
A) Title
B) Label
C) Text
D) Name
C) Text
The ______ control allos users to add and view items in a list.
A) ListItems
B) ListBox
C) TextBox
D) GroupBox
B) ListBox
The ___________ operator returns False if the left operand is larger than the right operand.
A) =
B) <
C) <=
D) All of the above
D) All of the above
Variable declarations in event handlers begin with the keyword __________.
A) Declare
B) Sub
C) Dim
D) Double
C) Dim
The _______ operator assigns the result of adding the left and right operands to the left operand.
A) +=
B) +
C) =+
D) =
A) +=
Visual Basic keywords are ___________
A) identifiers
B) reserve words
C) properties
D) names
B) reserve words
If there are errors in an application, they appear in a window known as the ___________.
A) Task List
B) Error List
C) Output
D) Local
B) Error List
Programs that translate high-level programs into machine language are called ___________.
A) compiler
B) assembler
C) linker
D) debugger
A) compiler
Parentheses added to an expression simply to make it easier to read are known as _______ parentheses.
A) necessary
B) redundent
C) embedded
D) nested
B) redundent
A(n) ______________ is a group of one or more projects that collectively form a Visual Basic program.
A) IDE
B) Solution
C) Builder
D) file
B) Solution
A label’s boderStyle property can be set to _________.
A) Fixed3D
B) Single
C) Double
D) 3D
A) Fixed3D
The three types of control structures are sequence, selection, and __________.
A) redo
B) repeate
C) repetition
D) looping
C) repetition
A __________ is a control in which the user can enter data from a keyboard.
A) Button
B) Label
C) PictureBox
D) TextBox
D) TextBox
Item’s method __________ adds an item to a listBox.
A) Include
B) Add
C) Append
D) Plus
B) Add
A(n) ________ contains code that performa specific task.
A) variable
B) method
C) operand
D) constant
B) method
A Button’s text should use _________ capitalization
A) book-title
B) complete
C) no
D) sentence-style
A) book-title
Method String.Format is used to _____________.
A) create constants
B) format Visual Basic statements
C) control how text is formatted
D) display the formatted text in a text box
C) control how text is formatted
If …. Then…..Else is a ____________ selection statement.
A) single
B) double
C) nested
D) triple
B) double
An example of a white space character is a ________ character.
A) Tab
B) Space
C) newline
D) All of the above
D) All of the above
Item’s method __________ deletes all the values in a ListBox.
A) Remove
B) Del
C) Delete
D) Clear
D) Clear
The ______ control allos users to add and view items in a list.
A) ListItems
B) ListBox
C) TextBox
D) GroupBox
B) ListBox
You can use the ______________ method to terminate a running application.
Question 47 options:
A) Me.Close()
B) Me.Done()
C) Me,Clear()
D) Me.Stop()
A) Me.Close()
When a form has been modified since the last time it was saved, what appears on its tab in the designer window?
Question 48 options:
A) an ampersand (&)
B) an asterisk (*)
C) a percentage (%)
D) a plus sign (+)
B) an asterisk (*)
Which symbol is used in a flowchart to represent a calculation task?
Question 50 options:
A) circle
B) oval
C) parallelogram
D) rectangle
D) rectangle
What value is assigned to the lblNum control when the lblNum.Text = 71 \ 25 instruction is processed by the computer?
Question 51 options:
A) 2
B) 3
C) 21
D) 25
A) 2
What value is assigned to the lblMod control when the lblMod.Text = 76 Mod 3 instruction is processed by computer?
Question 52 options:
A) 2
B) 3
C) 1
D) 25
C) 1
The ______________ event occurs when the contents of a text box have changed.
Question 53 options:
A) Changed
B) TextChanged
C) TextChange
D) Change
B) TextChanged
If intNumber
D) 180
Logical groupings of programming methods to organize a program
Modules
Programming language statements in a program before they are compiled into the code that is actually used by the computer
Source Code
One or more projects grouped together to form a program
Solution
Words which are reversed by Visual Basic which cannot be used as variable names as they are definition used by VB
Keyword
Used to allow the user to view source files
Solution Explorer
GUI
Graphical User Interface
Used to declare a variable which will be used in the program. Identified by the keyword Dim
Declaration
Assist in improving the readability of the code
Comment
IDE
Integrated Development Environment
VB file
File which ends in .vb and contains the programmer-readable code
Executable
Contains the Microsoft Intermediate Language (MSIL) which is used by the computer to run the program
Computer program
The set of instructions which allows the computer to process data
The group of files which make up a program
Project
BASIC
Beginner’s All-purpose Symbolic Instruction Code
Two types are subroutines and functions which are used to perform a common task
Methods
Order of operations
^ \+,- *, / \ MOD \+,- &
Exponentiation Operator
Sign Operators
Multiplication Operator, Division Operator
Integer Division Operator
Modulus (divides and finds the remainder)
Addition, Subtraction
String concatenation
Equality Operators = <> > < >= <=
Is Equal to Is Not Equal to Is Greater than Is Less than Is Greater Than or Equal to Is Less Than or Equal to
Logical Operators
A statement which allows a program to execute a path based on the truth or falsity of an expression
If… Then…
Logical Operators
A statement which allows a program to execute different paths based on the truth or falsity of an expression
If… Then… Else
Logical Operators
Tests if two conditions both evaluate to True or False
AND
Logical Operators
Tests two conditions and if either condition or both conditions are True or False then expression evaluates
OR
Logical Operators
Evaluates if both conditions are True or False and only until its truth or falsity is known
ANDalso
Logical Operators
Evaluates if either condition or both conditions are True or False and only until its truth or falsity is known
ORelse
Code which causes a program to produce erroneous results
Bug
Allows a programmer to monitor the execution of a program to locate and remove logic errors
Debugger
An error in the sequence of characters in a line of code which are intended to be written in a particular order and are identified when the code is compiled
compilation error
Indicates where an exception occurred, the type of exception, and links to information on how to handle the exception
exception assistant
The mode entered when a program is suspended during execution at a break point
break mode
Markers which identify where a program wants to pause the program and run it line by line
breakpoints
Resumes execution until the next breakpoint or end of main whichever comes first
continue command
adding a breakpoint to the code to stop the execution of the program at the line where the breakpoint is inserted
insert breakpoint
allows the programmer to make modifications or changes to the code while in debug mode and then continue executing the code with the modifications and without having to recompile
edit and continue
transforms the high level language into machine language
compile
this prevents the execution of the program from stopping at the location but does not remove the breakpoint
disable breakpoint
allows a programmer to assign new values to variables while the program is running
locals window
executes the next statement in the code and immediately halts
step into
the grey bar on the left of the code window
margin indicator box
the program is suspended when the breakpoint is reached and the program is now in break mode
suspend execution
indicates an active breakpoint
solid breakpoint circle
a bug in the program which does not allow the program to operate correctly but it will not cause it to crash. It may cause behaviour which is unintended or undesired
logic error
indicates that the highlighted line contains the next statement to execute in break mode
yellow arrow in break mode
allows programmers to test and debug only the portion of the code that they have written. this is useful when there are many programmers writing one program
just my code debugging
the information that is displayed as you move the cursor over the variable the programmer would like to look at
quick info box
a type of debugger provided to programmers
visual studio debugger
executes the contents of a called method without actually entering the called method
step over
executes the remaining statements in a method and returns control to the calling method
step out
allows the programmer to watch the value of the variables as a program executes
watch window
an error which can only occur during the running of the program
run-time error
a selection of program statements or actions are executed based on whether or not a condition is true or false
selection structure
takes data processed by the computer and either displays or stores that information to an output device
output unit
a device which performs calculations, logical decisions, and other functions multiple times faster than humans
computer
used for long term storage of data, usually on a storage media
secondary storage
a selection of program statements or actions are executed while a condition remains true or false
repetition structure
allows programmers to write programs which look like common english phrases and contain mathematical operations
high level language
the rapid access, temporary storage section of a computer
memory unit
a computer language which is similar to english abbreviations which are then translated to machine language
assembly language
procedure to be used to solve a problem which defines the actions to be executed and the order in which the actions are executed
algorithm
statements which enable programmers to specify the next statement to be executed which many not necessarily be in the order that they are written
control statements
the natural language of a computer defined by the hardware and consisting of 1’s and 0’s
machine language
administrator of the computer and supervises the other components
central processing unit
obtains information from the user via various devices
input unit
program statements executed one after another as they are written in the program
sequential structure
three types of control statements
sequential structure, selection structure, repetition structure
the different language formats used to write program code
programming language
informal language using english structure to assist programmers in developing algorithms
pseudocode
A method that does not return a value when the task has completed
subroutine
a parameter which is not required by the called method but if included it can be used; it must contain a default value
optional parameter
terminates execution of the subroutine and tells the program to return to the calling program
return
a method with the same name as another method but which contains a different parameter list
overloading
a copy of a variable is made and passed to the called method. changes to the copied variable do not affect the value of the original variable
pass by value
a variable which is only known within the method in which it is declared
local variable
a statement used in a subroutine to leave the subroutine if a specific condition or error occurs
exit
the values being passed to the called method
parameter
performs tasks and can return information when the task has completed
method
a variable is passed to the called method and the called method has access and is able to modify the original variable directly
pass by reference
a method which will return a value to the calling routine once the task has completed
function
a variable which is known throughout an entire program
global variable
a collection of cells within a sheet
range
VBA
visual basic applications
a spreadsheet page in Microsoft Excel
sheet
The contents of a cell within a spreadsheet
value
a set of instructions in VBA which can be repeated
macro
Every year or two, the capacities of computer hardware have approximately doubled inexpensively. This remarkable trend is often called ______ Law
Moore’s
The smallest data item in a computer can assume the value 0 or the value 1. Such a data item is called a _____
bit
Digits, letters and special symbols are known as ______
characters
The _____ character set contains characters for many of the world’s languages.
Unicode
Just as characters are composed of bits, _____ are composed of bytes. A _____ is a group of characters or bytes that conveys meaning.
field
several related fields can be used to compose a \_\_\_\_\_\_. In a payroll system, for example, this \_\_\_\_\_\_for an employee might consist of the following fields: Employee Identification number Name Address Hourly pay rate
record
A ____ is a group of related records. [ Note: more generally, a ____ contains arbitrary data in arbitrary formats. In some operating systems, a ____ is viewed simply as a sequence of bytes - any organization of bytes in a _____ is a view created by the programmer]
file
A ______ is a collection of data that’s organized for easy access and manipulation. The most popular _____ model is the relational ______ in which data is stored in simple tabels.
database
Visual Basic, C++, C#, and Java are examples of ____ ____ languages
high level
____, or more precisely the classes _____ come from, are essentially reusable software components
objects
In object oriented programming languages, we create a program unit called a _____ to house the set of methods that perform the _____ ‘s tasks
class
Just as someone has to build a car from its engineering drawings before you can actually drive it, you must build an object from a class before a program can perform the tasks that the class’ methods define. The process of doing this is called _______. An object is then referred to as an _______ of its class
instantiation, instance
when you drive a car, pressing its gas pedal sends a message to the car to perform a task - that is, to go faster. Similarly, you can send messages to an object. Each message is implemented as a ____ ____ that tells the method of an object to perform its task.
method call
An object has attributes that it carries along as it’s used in a program. These attributes are specified as part of the object’s class. Attributes are specified by the class’ _____ ______
instance variables
Classes _______ (ie, wrap) attributes and methods into objects - an object’s attributes and operations are intimately related. Objects may communicate with one another, but they’re not normally allowed to know how other objects are implemented - implementation details are hidden within the objects themselves
encapsulation
a new class of objects can be created quickly and conveniently by ______ - the new class absorbs the characteristics of an existing class, possibly customizing them and adding unique characteristics of its own. In our car analogy, an object of class “convertible” certainly is an object of the more general class “automobile,” but more specifically, the roof can be raised or lowered.
inheritance
OOAD
Object Oriented Analysis and Design
A single graphical language for communicating the results of any OOAD process.
UML (Unified Modelling Language)
The precursor of today’s internet
ARPAnet, created by ARPA (Advanced Research Projects Agency) of the US Department of Defense
The protocol (set of rules) for communicating over the ARPAnet
Transmission Control Protocol (TCP)
The information carrying capacity of communications lines
bandwidth
visual basic is _____ driven. You’ll write programs that respond to user initiated _____ such as mouse clicks, keystrokes, timer expirations and - new in visual basic 2012 - touchers and finger swipes
event, events
The .NET Framework contains the .NET Framework _____ _____, which provides many capabilities that you’ll use to build substantial Visual Basic apps quickly and easily.
class library
______ ______ are software systems that make using computers more convenient for users, app developers, and system administrators
operating systems
Visual Basic programs are created using Microsoft’s Visual Studio - a collection software tools called an ______ ______ _____ (IDE).
Integrated Development Environment
