· computer-based system as A set or arrangement
of elements that are organized to accomplish some predefined goal by processing
information.
·
The goal
may be to support some business function or to develop a product that can be
sold to generate business revenue.
·
To
accomplish the goal, a computer-based system makes use of a variety of system
elements:
·
1. Software.
Computer programs, data structures, and related documentation that serve
to effect the logical method, procedure, or control that is required.
·
2. Hardware.
Electronic devices that provide computing capability, the
interconnectivity devices (e.g., network switches, telecommunications devices)
that enable the flow of data, and electromechanical devices (e.g., sensors,
motors, pumps) that provide external world function.
·
3. People.
Users and operators of hardware and software.
·
4. Database.
A large, organized collection of information that is accessed via
software.
·
5. Documentation.
Descriptive information (e.g., hardcopy manuals, on-line help files, Web
sites) that portrays the use and/or operation of the system.
·
6. Procedures.
The steps that define the specific use of each system element or the
procedural context in which the system resides.
