Operating Systems

Operating Systems

1. Provide User Interface

   • Graphical User Interface
     • Windows Icons Menus Pointers
     • EG on mobile phones, desktops & laptops
   • Menu Driven
     • EG on MP3 players
   • Command Line Interface
     • EG Command Line CMD on a PC; Raspberry Pi, or Linux OS
   • Voice Activated
     • In-car systems or 'Assistatnts' on mobile devices
   • Real Time
     • EG Monitoring systems in ICUs

2. Manage Hardware

   • Multi-Tasking 3 facts
   • Input & Output (I/O) 3 facts
   • Memory Management 3 facts
   • Interrupts 3 facts
   • Memory & Storage 3 facts

3. Provide Security

   • User Login and Password
   • Access Rights
   • Encryption