Operating Systems

Operating Systems

1. Operating Stystems

   • Operating systems are translators for human languages to computer binary. With out operating systems we would be able to understand binary
   • Transfers information to and from the cpu to memory loctions
   • Produces the visual display for the monitor.
   • Controls input & output devices eg printer
   • Provides space for where applications can run

2. Graphical User Interface (GUI)

   • A Graphical User Interface (GUI) operating system contains graphics and icons. Uses Mouse to navigate.
   • Easier to use than Common Line Interfaces so have become commonly used.
   • Menus
   • Desktop
   • Pointer
   • Windows
   • Icons

3. Command-Line Interface (CLI)

   • To operate, you need to type commands by the keyboard
   • To make it simpler, commands are shortened.
   • User must learn the commands which makes it less user friendly

4. Multi-Tasking

   • Multi-Users
   • Computers can now do more than one task at one time, unlike they were when first invented

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