Human Computer Interaction (HCI)

Human Computer Interaction (HCI)

1. An interface is required

   • human-computer interface
   • Different interfaces are provided by the operating system
     • identified by style of interface

2. communication between people and computer systems

3. Graphical User Interface (GUI)

   • An interface that allows users to interact with a computer system through graphical icons
   • easy to use
   • requires a large amount of memory
   • windows icons menus pointers

4. Menu Driven Interface

   • MP3 player interface (ipod nano)
   • easy to use, logical
   • navigating can be bad

5. voice driven input

   • speech input is much faster
   • background noise interferes

6. Command Line Interface

   • no mouse
   • very fast and little storage
   • complecated
   • no spelling mistakes
   • entirely text based
   • only executes specific comands
   • little processing power

7. Touch Sensitive

   • intuitive
   • no keyboard and mouse
   • easier hand-eye coordination
   • Dirty screens block
   • difficult to select small items