OPERATING SYSTEMS

OPERATING SYSTEMS

1. USER INTERFACES

   • Graphical User Interface:
     • Here the interface is very visual and interactive , mainly used on beginners since it uses pictures , logos and text.
   • Command Line Interface
     • Here the interace is very text based and command using , mainly used by advanced users
   • Menu Line Interface
     • Here the interface gives the user options to choose from , for example cash points
   • Natural Language Interface
     • Here the interface isn't that reliable because the technology is still taking place , however it allows you to speak your language into the system and itll understand what you are saying

2. Multi-tasking

   • is when you have more than one program operating at the same time , they can both run at the same time because they have different time slots and it can run at the same time ,because it switches between the time slots

3. Device Drive

   • this is needed to change the operating system instructions to what the hard drive will understand and follow

4. Roaming Profiles

   • this allows people to have different computer settings.You could also have a fixed profile, meaning you can not change certain settings , such as display

5. Backing Up Files

   • Full Back Up : copies all files exactly , the main back up
   • Incremental Back-Up; this only backs up files that have changed since the Full Back Up.

6. UTILITES

   • Encryption
     • this uses algorithms to change plain text to other text
   • Defragmentation
     • these re-organise files into a hard disk to put fragments of files back together