1.8 DEFINITION OF BASIC CONCEPTS RELEVANT TO THIS STUDY Analysis: Breaking a problem into successively manageable parts for individual study.
Attribute: A data item that characterize an object
Data flow: Movement of data in a system from a point of origin to specific destination indicated by a line and arrow
Data Security: Protection of data from loss, disclosure, modification or destruction.
Design: Process of developing the technical and operational specification of a candidate system for implements.
File: Collection of related records organized for a particular purpose also called dataset.
Flow Chart: A graphical picture of the logical steps and sequence involved in a procedure or a program.
Form: A physical carrier of data of information
Gantt chart: A statistics system model used for scheduling portrays output performance against time.
Implementation: In system development-phase that focuses on user training, site preparation and file conversion for installing a candidate system.
Maintenance: Restoring to its original condition
Normalization: A process of replacing a given file with its logical equivalent the object is to derive simple files with no redundant elements.
Operation System: In database – machine based software that facilitates the availability of information or reports through the DBMS.
Password: Identity authenticators a key that allow access to a program system a procedure.
Record: A collection of aggregates or related items of a data treated as a unit.
Source Code: A procedure or format that allow enhancements on a software package.
System: A regular or orderly arrangements of components or parts in a connected and interrelated series or whole a group of components necessary to some operation.
System Design: Detailed concentration on the technical and other specification that will make the new system operational.
SDLC (System Development Life Cycle): A structural sequence of phases for implementing information system
System Testing: Testing the whole system by the user after major programs and subsystem has been tested.
Unit testing: Testing changes made in an existing or new programs.
Validation: Checking the quality of software in both simulated and live environments.
