Module 4 Flashcards
What is a Parent Class?
A classs from which child classes derive properties and behaviors from.
What is a Black Box?
Something that hides what happens between the input and output.
What is an Access Modifier?
A keyword that modifies what parts of the program can access a particular thing.
What is Private?
An access modifier that protect some section of code from random access.
What is Public?
An access mofifier used to denote that a piece of code is available to any other part of the program.
What is ALM?
Application Lifecycle Management.
Give an example of an ALM.
- Requirements gathering.
- Architecture planning.
- Development.
- Test.
- Deploy.
What is Server Side?
The operations that happen in the server to provide the request from the client side.
What is a Console?
An input/output device for a computer.
What is a Directory?
A Listing of information in an organized manner.
What is a Service?
A system which supplies something to other systems.
What is Authorization?
To check if a specific individual is allowed to access something.
What is Active Diretory?
A software from Microsoft that provides central authentication and authorization services for computers.
What is a Batch File?
A file containing a list of instructions to be carried out in order. Most often used in the Windows.
What is MS-DOS
Microsoft Disk Operating System.
What is Data Redudancy?
Data stored in more than one table in the database.
What is Data Normalization?
The process of organizing the tables in order to eliminate data redundancy.
What is 1NF?
First Normal.
Maximum possible level of normalization of a data base.
What is a Primary Key in a database?
A piece of data used to uniquely identify a specific row in a database table.
What is a Foreign Key?
A column in one table that holds the data from a primary key in another, related table.
What is Oracle?
A software company specialized in the development of database products.
What is Data Integrity?
The accuracy and consistency of the stored data.
Ex: a field age should allow only input of numbers, not text.
How a table in a database can be related to an object in a program?
Each row in a particular table might correspond to a particular object of a certain type.
What is O/RM?
Object Relational Mapping.
A program that maps between objects in a program and tables in a database. When you modify an object in the program, you can use the O/RM to modify the data in the database that correspond to that object.
What is Entity Framework?
An O/RM program. Used with C# language.
Give an Example how Entity Framerowk could work.
You could create a whole database, with many tables, and the Entity Framework could automatically create all the C# classes and methods needed to create, read, update and delete data in the database.
What is a Parameter of a method?
The data the method needs to perform its task.
What is an Argument of a method.
The data that is passed from the calling program to the called program so it can perform its task.
What is LBA?
Line of Business Application.
Purpose-built piece of software that helps a company in whatever their line of business is.