People and ICT systems - Information Technology - AS

ICT systems: design and purpose

• Need to consider design of ICT system for particular use
• Appreciate different users - different needs
• Client, end user and audience have slightly differnt requirements from the system (each one need to be considered)
• Analysis of user - critical in determining requirements of the system
• Link with the client and end user remains live throughout the project
• Systems that have been implented that have failed to meet the requirements of hte people commissioned them. e.g. London Ambulance System - failed to do job it was meant to do.
• Key factors taken into account when considering a new system include:
• - Ensuring cost of implentation is worth the benefit it will bring
• - Timescales for implentation. Realistic and allow time for thorough testing
• - Involve clients and end users to ensure system meets their needs
• - Requirements of the client and end user. Realistic and clearly stated

Characteristics of end users

Interaction affected by:

• Experience
• Physical characteristics
• Environment of use
• Task to be undertaken
• Age

• Users vary in requirements from any system. (some computer experts/novices)
• May have strong prefences for type of interface they like or hardware prefer to use
• …