Human-computer interfaces: part 1

Human-computer interfaces: part 1

1. Operating systems

   • Are software (,i.e: programs)
   • Used to control the hardware directly
   • Used to run the applications software

2. Functions of operating systems 1

   • manage and control devices
   • provide a user interface.
   • Hide the complexity of hardware from user.
   • Deal with errors
   • Provide interface between applications software and hardware

3. Functions of operating systems 2

   • Allow installation of new hardware and software
   • Utilities for virus scanning, encryption, ect.
   • Handel the storage of data.
   • Maximise memory use.
   • Automatically recognise new hardware
   • Organise resources when tasks are being worked on simultaneously.

4. Types of user interface

   • Graphical user interface (GUI) features such as icons.
   • Command line - type a series of commands
   • Voice driven
   • Menu/dialogue boxes- Menus where you choose what to do
   • Touch sensitive
   • Biometric