Search Engines - tries to find and
match key words
Ability to communicate in
same language as used
day to day
Language can be
misinterpreted giving wrong
answers
Voice recognition
technology
Human Computer Interaction (HCI)
Concerned with design, evaluation and
implementation of interactive computer
systems. If it is good it can improve
productivity but if poor it will reduce job
satisfaction
Psychological
Human Behaviour
Variable and needs to allow for
users of all levels and changing
demands
Social Psychology
Influence a group will have on how
people feel. Can make system
popular or unpopular
Stress
Caused by badly laid out menus,
lack of consistency. Results of
serious mental & physical issues
Ergonomic
Other Workers
Attitude of others
affects attitude
Task Should Be Made Easier
Good HCI should make job
easier and user feel better
Screen Glare
Headaches from UV glare
off VDU - causes
discomfort
RSI
Poor input device design
causes strain to joints
Physical Factors
Obvious Design
Buttons and Icons obvious
Familiarity
Easy to use for first time
users. Icons relate to purpose.
Hardware Config.
Must be easy to use
Features of HCI
Menus
Screen Design
In users control
Error Messages
Availability of help
User-Friendliness
Easy to Learn
Online help facility
GUI
Multiple Navigation Options
Multi-Tasking
Fast File Searching
Resource Implications of
Sophisticated HCI's
Processor - stretched to limit
so they can cope with
graphics
IAS - Large
memory allows
many windows
without loss of
speed