Term
|
Definition
| A term used to indicate any component of a computer-based system for which the user need not know the details of it's internal operation |
|
|
Term
|
Definition
| Computer Aided System Engineering - and tool that assists in the development of computer software for systems |
|
|
Term
|
Definition
| The ability to find solutions to problems |
|
|
Term
|
Definition
| Any factor that may prevent an information system from achieving it's goals |
|
|
Term
|
Definition
| A graphical method of representing an information system as a process with inputs and outputs |
|
|
Term
|
Definition
| The sole legal right to produce or reporduce any software or other creative product or idea |
|
|
Term
|
Definition
| Any raw facts entered into an information system |
|
|
Term
|
Definition
| A comprehensive description of each field or attribute in a database. This commonly includes field name, number of characters (field width), data type, number of decimal places (if applicable) and a description of the purpose of each field |
|
|
Term
|
Definition
| A diagram which shows the logical flow of data through a system or subsystem using processes, inputs, outputs and data flow arrows |
|
|
Term
|
Definition
| A table created during the analysis phase of the system development cycle showing possible decisions and their resulting actions |
|
|
Term
|
Definition
| Similar to a decision table except that it is drawn as a tree diagram |
|
|
Term
|
Definition
| A method of implementing a new system by directly changing from the old to the new system and abandoning the old system at that time |
|
|
Term
|
Definition
| Any written description of an information system such as the tasks it can perform and the way in which it may be used |
|
|
Term
|
Definition
| A specific thing about which an information system collects information, also known as a category |
|
|
Term
|
Definition
| Any aspect that is not directly part of a system but impacts in some way on that information system |
|
|
Term
|
Definition
| The concept of fairness and impartiality to which all persons should be entitled as a right |
|
|
Term
|
Definition
| The study of the relationship between people and their working environment |
|
|
Term
|
Definition
| A set of moral principles accepted by society as a standard against which individual behaviour can be judged |
|
|
Term
|
Definition
| An activity carried out during the system development cycle in which the nature of the problem is clearly described, alternative solutions investigated and recommendations are made as to whether a proposed solution is practicable |
|
|
Term
|
Definition
| A chart showing timelines for different stages of a systems development project |
|
|
Term
|
Definition
| System where participants and users are most important and the machine is just the tool |
|
|
Term
|
Definition
| The process whereby a design is actually constructed |
|
|
Term
|
Definition
| Results from the processing of data. It is derived from the assembly, analysis or summary of data into a meaningful form |
|
|
Term
|
Definition
| An arrangement of components that are integrated to accomplish the purpose of fulfilling the information needs of an organisation |
|
|
Term
|
Definition
| System where the tasks of the machine have priority over the human user |
|
|
Term
|
Definition
| A routine set of instructions or a list of keyboard commands, stored in a file, that can be executed by entering a few keys from the keybaord or accessing a menu item |
|
|
Term
|
Definition
| Part of the system development cycle where all required adjustments or corrections are carried out as a result of the continuing evaluation of the system |
|
|
Term
|
Definition
| Arbitration between those involved in disputes to arrive at a compromise |
|
|
Term
|
Definition
| The implemenation of a new system in parallel with the old system so that both work together until the new system is found satisfactory and the old system is abandoned |
|
|
Term
|
Definition
| An information system developed by the people who will use it |
|
|
Term
|
Definition
| The people who play different roles in developing and maintaining information systems |
|
|
Term
|
Definition
| An implementation method whereby an old system is gradually replaced by a new system one part or section at a time |
|
|
Term
|
Definition
| An implementation method whereby a new system is trialled in one section of a large organisation before introduction of the new system into other parts of the organisation |
|
|
Term
|
Definition
| Person responsible for converting a design into a program |
|
|
Term
|
Definition
| Any undertaking that sets out to achieve a specific objective |
|
|
Term
|
Definition
| The use of knowledge, skills, tools and techniques in order to meet the requirements of a particular project |
|
|
Term
|
Definition
| The structure of a project including tasks, people, time, costs and resources |
|
|
Term
|
Definition
| Used to demonstrate to users/customers to ensure that the final program will meet there needs. It is often just a series of screens with no real processing taking place |
|
|
Term
|
Definition
| Software that enables an organised, formatted view of data to be displayed in a manner that will enhance understanding of the data or format |
|
|
Term
|
Definition
| Software that facilitates the development of the user interface so that the screens of a system may be more closely studied and understood |
|
|
Term
|
Definition
| A person who develops a systems design to meet a new need or solve a problem in an existing solution |
|
|
Term
|
Definition
| The process during which alternative solutions are evaluated and the specification of a detailed computer-based solution is planned |
|
|
Term
|
Definition
| A set of cyclical processes that show which activity to perform at what time and in what sequence to complete a systems development project |
|
|
Term
|
Definition
| A diagram representing the flow of data and the logic of a system including storage media |
|
|
Term
|
Definition
| A document that is created for repeated use |
|
|
Term
|
Definition
| People who use the computer system. They are usually employees and customers |
|
|
