HCI

HCI

1. Human Computer Interface

   • Things to think about
     • Age
     • Experience
     • Disability's
     • Tasks
   • How something look and how something is created for someone top use

2. Command Line Interface

   • The user types in commands for the computer
   • Simple screen prompt
   • Quick and flexible but only if you know what you are doing
   • Very good for programmers and other ICT specialists that know and understand how the system works
   • Ideal For
     • Experienced Users
     • Expert Users
   • Not Ideal For
     • Beginners
     • Intermediate users
   • Advantage
     • Complex commands can be entered quickly
   • Disadvantage
     • Can be frustrating

3. Menu Driven Interface

   • This is where the user is provided with a set of options to choose from
   • Advantages
     • Restrict the options a user can select
     • Used effectively with touch screen systems
   • Disadvantages
     • Can slow down use of the system as set routes have to be followed
   • Not Ideal for
     • Speedy Operations
   • Ideal for
     • Inexperienced users
     • Occasional users

4. Graphical User Interface

   • Advantages
     • User friendly
     • Intuative
   • Disadvanteges
     • Demanding in terms of system resources e.g. hard disk and memory
   • Ideal for
     • Inexperienced Users
   • Not Ideal for
     • Experienced users

5. On Screen Forums

   • These are widely used to enter data into a computer system, with forms being used to capture data
   • Advantages
     • Similar to paper forms
     • Intuative
     • Variety of data entry techniques
   • Disadvantages
     • Demanding in terms of system resources e.g. hard disk and memory
   • Ideal for
     • filling in questionnaires
     • Ordering goods
   • Not Ideal for
     • Experienced users