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elem. of computing final
elem. of computing final
25
Computer Science
Undergraduate 1
12/15/2008

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Cards

Term
Data Dictionary
Definition
a list of variables, user-defined classes, and previously written procedures and functions (stored in a library somewhere in the computer network) needed for a particular computer application.
Term
Scope
Definition

  How much of an entire Visual Basic application can access a given variable.


Term
Bounding
Definition
the act of associating a window object (typically a text box) to a variable.
Term
Loop
Definition
a set of statements that can repetitively be executed, in order, until a particular condition is met.
Term
Recursion
Definition
the act of a function calling or invoking itself.
Term
Declaring a Variable
Definition

  telling the Visual Basic compiler that a particular name will contain a specific type of data; for instance, variable Name will contain text.

Term
Initialize a Variable
Definition
provide a starting value for the variable.  Visual Basic 2008 allows that be done on a DIM statement:  DIM Count As Integer = 0
Term
Subroutine
Definition
a block of code separate from the main process.  Usually performs a specific or distinct process.
Term
Function
Definition
a prewritten series of statements that produce a specific and single output.
Term
 Argument 
Definition

a piece of data given to a function from a source outside of the function itself.

Term
Object
Definition

an item that displays on a application's Form, or the Form itself. A container data type that holds private data, propertie, and methods

Term
Event
Definition

a particular activity that is caused by the same action on an object.  For instance, clicking on a button.

Term
    Icon
Definition

a picture representing an object or application.

Term
  Concatenation 
Definition

the process of attaching one text string to the back of another.

Term
Scientific notation
Definition

The representation of a large number as a value between 0 and 10 raised to a power of 10.  For instance, 2.34 x 106

Term
 Hexadecimal, or hex
Definition

Representing a number in Base 16.  The “digits” representing 10-15 are indicated using A, B, C, D, E, and F.

Term
Fuzzy search
Definition

The process of searching for a value without an exact match; the criteria would contain a portion of the desired value.

Term
Class
Definition
An object created within a program.
Term
    Method
Definition

A procedure defined as part of an object.  Primary means to interact with the data contained in the object.

Term
    Data Hiding 
Definition

Not allowing procedures to directly access data contained in a class.

Term
Inheritance 
Definition

When a class is created based upon another class, it obtains all data, properties, and methods of the original class.

Term
Polymorphism
Definition

Multiple class methods with the same name yet slightly different argument lists.

Term
Instance
Definition

a variable whose data type is a class.

Term
Constructor
Definition

the class method that intializes member data upon variable declaration.

Term
Instantiation
Definition

the process of creating a variable whose data type is a class.

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