User Interfaces

Description

A Level ICT (Unit 3.4) Mind Map on User Interfaces, created by scott.dowle on 28/05/2013.
scott.dowle
Mind Map by scott.dowle, updated more than 1 year ago
scott.dowle
Created by scott.dowle over 11 years ago
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Resource summary

User Interfaces
  1. Types
    1. Menu Driven
      1. Provide users with set of option to chose from
        1. No need to enter text
          1. No need to navigate around screen
            1. Uncluttered fashion
            2. Graphical User Interface
              1. Labelled icons, images and folders
                1. W.I.M.P.
                  1. Pull down menus avoid clutter, shortcut keys
                    1. Easy for people with little ICT skill
                    2. Natural Language Interface
                      1. Search Engines - tries to find and match key words
                        1. Ability to communicate in same language as used day to day
                          1. Language can be misinterpreted giving wrong answers
                            1. Voice recognition technology
                          2. Human Computer Interaction (HCI)
                            1. 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
                              1. Psychological
                                1. Human Behaviour
                                  1. Variable and needs to allow for users of all levels and changing demands
                                  2. Social Psychology
                                    1. Influence a group will have on how people feel. Can make system popular or unpopular
                                    2. Stress
                                      1. Caused by badly laid out menus, lack of consistency. Results of serious mental & physical issues
                                    3. Ergonomic
                                      1. Other Workers
                                        1. Attitude of others affects attitude
                                        2. Task Should Be Made Easier
                                          1. Good HCI should make job easier and user feel better
                                          2. Screen Glare
                                            1. Headaches from UV glare off VDU - causes discomfort
                                            2. RSI
                                              1. Poor input device design causes strain to joints
                                            3. Physical Factors
                                              1. Obvious Design
                                                1. Buttons and Icons obvious
                                                2. Familiarity
                                                  1. Easy to use for first time users. Icons relate to purpose.
                                                  2. Hardware Config.
                                                    1. Must be easy to use
                                                  3. Features of HCI
                                                    1. Menus
                                                      1. Screen Design
                                                        1. In users control
                                                        2. Error Messages
                                                          1. Availability of help
                                                            1. User-Friendliness
                                                              1. Easy to Learn
                                                                1. Online help facility
                                                                  1. GUI
                                                                    1. Multiple Navigation Options
                                                                      1. Multi-Tasking
                                                                        1. Fast File Searching
                                                                        2. Resource Implications of Sophisticated HCI's
                                                                          1. Processor - stretched to limit so they can cope with graphics
                                                                            1. IAS - Large memory allows many windows without loss of speed
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