Zusammenfassung der Ressource
ICT Systems
- System Analysis
- Analysis is all about looking at how a job
is done at present and seeing if the job
could be done better or more efficiently by
upgrading or developing a new system.
- Types of ICT Systems
- Information
- Manage Data
- Like Stock Systems
- Manage Information
- Control
- Control Machines
- Input, Process and Output
- Like Robots
- Communication
- Successful transport of data
from one place to another
- Definition of ICT System
- An ICT system is a set-up
consisting of hardware, software,
data and the people who use them. It
commonly includes communications
technology, such as the Internet.
- ICT and computers are not the same
thing. Computers are the hardware
that is often part of an ICT system.
- System Life Cycle
- Mnemonic: Four Animals Die In The Desert Every Month
- 1. Feasibility Study
- 2. Analysis
- 3. Design
- 4. Implementation
- 6. Development
- 7. Evaluation
- 8. Maintenance
- 5.Testing
- Design
- The next step is to draw up
a requirements specification
that outlines exactly what
the new system will do.
- This outlines...
- what hardware is needed
- what software is needed
- what inputs
are needed
- what processing must take place
- what information
needs to be output