Module 4

Question 1

What is a Parent Class?

Answer 1

A classs from which child classes derive properties and behaviors from.

Question 2

What is a Black Box?

Answer 2

Something that hides what happens between the input and output.

Question 3

What is an Access Modifier?

Answer 3

A keyword that modifies what parts of the program can access a particular thing.

Question 4

What is Private?

Answer 4

An access modifier that protect some section of code from random access.

Question 5

What is Public?

Answer 5

An access mofifier used to denote that a piece of code is available to any other part of the program.

Question 6

What is ALM?

Answer 6

Application Lifecycle Management.

Question 7

Give an example of an ALM.

Answer 7

1. Requirements gathering.
2. Architecture planning.
3. Development.
4. Test.
5. Deploy.

Question 8

What is Server Side?

Answer 8

The operations that happen in the server to provide the request from the client side.

Question 9

What is a Console?

Answer 9

An input/output device for a computer.

Question 10

What is a Directory?

Answer 10

A Listing of information in an organized manner.

Question 11

What is a Service?

Answer 11

A system which supplies something to other systems.

Question 12

What is Authorization?

Answer 12

To check if a specific individual is allowed to access something.

Question 13

What is Active Diretory?

Answer 13

A software from Microsoft that provides central authentication and authorization services for computers.

Question 13

What is a Batch File?

Answer 13

A file containing a list of instructions to be carried out in order. Most often used in the Windows.

Question 13

What is MS-DOS

Answer 13

Microsoft Disk Operating System.

Question 14

What is Data Redudancy?

Answer 14

Data stored in more than one table in the database.

Question 15

What is Data Normalization?

Answer 15

The process of organizing the tables in order to eliminate data redundancy.

Question 16

What is 1NF?

Answer 16

First Normal.

Maximum possible level of normalization of a data base.

Question 17

What is a Primary Key in a database?

Answer 17

A piece of data used to uniquely identify a specific row in a database table.

Question 18

What is a Foreign Key?

Answer 18

A column in one table that holds the data from a primary key in another, related table.

Question 19

What is Oracle?

Answer 19

A software company specialized in the development of database products.

Question 20

What is Data Integrity?

Answer 20

The accuracy and consistency of the stored data.

Ex: a field age should allow only input of numbers, not text.

Question 21

How a table in a database can be related to an object in a program?

Answer 21

Each row in a particular table might correspond to a particular object of a certain type.

Question 22

What is O/RM?

Answer 22

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.

Question 22

What is Entity Framework?

Answer 22

An O/RM program. Used with C# language.

Question 23

Give an Example how Entity Framerowk could work.

Answer 23

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.

Question 24

What is a Parameter of a method?

Answer 24

The data the method needs to perform its task.

Question 25

What is an Argument of a method.

Answer 25

The data that is passed from the calling program to the called program so it can perform its task.

Question 26

What is LBA?

Answer 26

Line of Business Application.

Purpose-built piece of software that helps a company in whatever their line of business is.