| Program |
Set
of instructions
that tell the
computer how
to perform a
given task |
| Operating
System |
Master
control program
for the computer
|
| Utility |
Performs
a task to help
manage a computer
and it's resources
|
| Application |
Performs
a particular
task for the
user |
| Inhouse
Development |
When
the user makes
the program
itself |
| Outsourcing |
Someone
is hired to
create the program
|
| User |
Person
who uses the
program |
| Programmer |
Person
who creates
programs |
| Database |
Organized
set of data
stored on a
computer and
managed by a
special application
called a database
management system
|
| Programming
Environment |
Program
specifically
designed to
facilitate the
creation of
new programs
|
| Programming
Tools |
Enable
a programmer
to assemble
and rearrange
the components
of a program
|
| Programming
Language |
Enables
a programmer
to compose instructions
that tell the
computer how
to perform the
tasks required
by the program
|
| Processing
Script |
Contains
instructions
the computer
will follow
|
| VB
Controls |
Objects
that appear
on the user
interface |
| Executable
File |
Ffinished
application
program |
| Design
Mode |
Enables
a programmer
to build and
modify the project
|
| Run
Mode |
Enables
a programmer
to run the project
and interact
with it |
| Break
Mode |
Enables
a programmer
to temporarily
suspend execution
of the running
project and
examine the
status of the
project's processing
scripts |
| Debugging |
Task
of determining
the cause of
the problem
when the project
doesn’t
run as expected
|
| Design
Time |
When
Visual Basic
is in design
mode |
| Run
Time |
When
Visual Basic
is in run mode
or break mode
|
| Project |
Consists
of one or more
forms, zero
or more code
modules, zero
or more class
modules, and
zero or one
resource file
|
| Form |
Background
of the GUI (Graphical
User Interface)
Consists of
one general
declarations,
zero or more
general sub
procedures,
and one or more
controls |
| Code
Module |
Has
one general
declerations
and zero or
more general
sub procedures
|
| Class
Module |
Has
components similar
to a code module
|
| Resource
File |
Self-contained
|
| Control |
Has
one or more
properties and
zero or more
event procedures
|
| Property |
Attribute
that defines
some characteristics
of a control
|
| Caption |
Enables
the programmer
to specify the
descriptive
text that appears
on the command
button |
| Event |
A
signal that
is generated
at run time
that indicates
something has
happened to
which the application
must respond
to |
| Event
Procedure |
Script
containing detailed
instructions
that the computer
follows when
the event occurs
for a particular
control |
| Command
Button |
Acts
as a trigger
to initiate
execution of
an event procedure
|
| Font
Property |
Determines
typeface that
will be used
for the text
|
| Enabled
Property |
Determines
if the button
will respond
when the user
clicks on it
|
| Visible
Property |
Determines
if the button
can be seen
by the user
|
| Name
Property |
Allows
the programmer
to assign a
unique name
to each control
|
| Click
Event |
Caused
by clicking
on the command
button with
the mouse |
| MouseMove
Event |
Occurs
when the mouse
pointer is over
the command
button and the
user moves the
mouse |
| Label
Control |
Displays
information
to the user
|
| Timer
Control |
Initiates
execution of
an event procedure
|
| Interval
Property |
Determines
the length of
time, in milliseconds,
before the timer
will initiate
a processing
step |
| Timer
Event |
Generated
periodically
by the Timer
Control itself
|
| Image
Control |
Allows
programmer to
place pictures
on the form
|
| Menu
Bar |
Gives
access to many
functions needed
to create projects
|
| Form
Window |
Comprises
the form and
the controls
on the form
|
| Toolbox |
Collection
of tools that
are used at
design time
to place controls
on a form |
| Default
Settings |
Initial
predefined settings
|
| Properties
Window |
Used
at design time
to examine and
change the settings
for properties
of each control
on the form
|
| Code
Window |
Allows
the programmer
to view, edit,
and write event
procedures |
| Project
Window |
Lists
project’s
forms, code
modules, class
modules, and
resource file(s) |
| Statements |
Instructions
to the computer
to perform particular
actions |
| Zero-length
String |
Two
double-qoutation
marks with nothing
between them |
| Project
File |
Used
to keep track
of paths and
names of all
files belonging
to the project |
| Form
File |
Contains
the form and
all of its contents
|
| lbl |
Prefix
used for all
controls that
are Labels |
| cmd |
Prefix
used for all
Command buttons
|
| tmr |
Prefix
used for all
Timer controls
|
| img |
Prefix
used for all
Image controls
|
| Code |
Statements
that make up
the event procedures
that belong
to a project
|
| Pseudocode |
Description
of the actions
that will be
performed by
the event procedure
|
| Data
Items |
Quantities
or facts that
describe things
and that are
processed by
programs |
| Scope |
Domain
of the event
procedures that
are allowed
to access a
data item |
| Numeric
data |
Contains
only numbers
|
| String
data |
Contains
any symbol |
| Formatting |
Adding
characters to
a data item
to make it easier
for humans to
read |
| Constant |
A
data item whose
value is specified
at design time
and that cannot
be changed during
run time |
| Literal
Constant |
A
value |
| Symbolic
Constant |
Descriptive
name that is
substituted
for a literal
constant by
the programmer
|
| Const
Statement |
Begins
with keyword
CONST, which
is followed
by the Symbolic
name, then an
equal sign,
and finally
the literal
value
ex. CONST Age
= 21 |
| Variables |
Used
to store and
retrieve data
during processing
|
| Standard
Data Types |
String,
Integer, Long,
Currency, Single,
and Double |
| Range |
Smallest
and largest
values that
can be stored
by a numeric
variable |
| Numeric
Variables |
Integer,
Long, Currency,
Single, and
Double |
| Precision |
Indicates
how close together
2 numeric values
can be before
VB cannot tell
them apart |
| Floating-point
Types |
Store
numbers using
a scheme based
on scientific
notation |
| Variable
Declaration
Statement (Dim) |
Begins
with Dim which
is followed
by the name
of the variable
being declared,
then As which
is followed
by the data
type for the
variable
ex. Dim Age
As Integer |
| Fixed-length
String |
Variable
where the length
will not change
|
| Variable-length
String |
Visual
Basic will automatically
adjust the length
|
| Syntax |
Correct
form of a component
of a programming
language |
| Assignment
Statement |
Consists
of a variable
name which is
followed by
an equal sign
and then an
expression
ex. Age = 21
|
| Expression |
May
be a constant
or a variable
or it may combine
constants and
variables using
operations such
as adding and
subtracting
|
| Concatenation
Operator |
Joins
2 string values
together |
| Type
Mismatch Error |
Trying
to store string
data in a numeric
variable |
| Run
Time Error |
A
condition that
happens during
execution that
prevents the
computer from
executing the
statement |
| Option
Explicit |
Causes
Visual Basic
to scan all
form’s
event procedures
for undeclared
variables |
| Form
Control |
Organizes
project in terms
of functionality
and appearance,
variables and
constants, and
its storage
on disk |
| Active
Form |
The
form that the
user is able
to interact
with |
| Activate
Event |
Happens
when switching
from one form
to another |
| Load
Event |
Happens
when a form
is loaded |
| Initialization |
The
tasks performed
when an activity
starts |
| Methods |
Actions
that apply to
controls |
Show
Method
|
Tells
Visual Basic
to show the
form
ex. Form1.show
|
| Variable
Scope |
The
variable in
which a variable
can be accessed
|
| Local
Scope |
Any
variable declared
inside an event
procedure |
| Module-level
Scope |
Any
variable that
is declared
in the form’s
general declarations
section |
| Global
Scope |
Variables
that can be
shared throughout
all of the forms
|
| Public
Statement |
Used
to create a
global variable
|
| Code
Module |
Same
as a form except
it has no user
interface window
|
| Variable
Lifetime |
Period
of time a variable
exists |
