human computer interfaces by finlay price

human computer interfaces by finlay price

1. operating systems

   • are software (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
     • functions of operating systems 2
       • allow installation of knew hardware and software.
       • virus scanning
       • encryption
       • storage of data
       • recognize new hardware automatically
   • hide the complexity of hardware from user
   • deal with errors
   • provide interface between applications software and hardware

3. types of user interface

   • graphical user interface
   • voice driven
   • touch sensitive
   • biometric
   • command line

4. WIMP

   • windows
   • icons
   • menus
     • pointers

5. voice driven: otherwise know as voice recognition used to issue commands to the software

6. touch sensitive MP3 players mobile phones information kiosks

7. biometrics: instead of passwords finger prints can be used to gain access