Types Of Operating System

Types Of Operating System

1. Batch Processing

   • used to satisfy multiple demands
     • lots of calculations
     • lots of payrolls
   • can be solved in two ways
     • buy more computers
     • remove humans from computing.(slowest part)
   • when is it used?
     • lots of collected data in same format
     • when output doesn't have to be immediately processed.
     • data requires similar processing
     • suitable times when user isn't using processing power

2. Real Time Processing

   • Where processing is done quick enough to effect the next input or process carried out
   • processing is done almost instantly
   • Useful for information handling
   • Ordering System
     • Processes orders
     • records change
     • takes item off system
   • Robot Trolley
     • takes inputs from sensors
   • booking system
   • high redundancy rate

3. Single User

   • only allows one user at a time
     • allocates users with rights
     • keeps each user file seperate
   • like home computer
     • mutliple users but only one at a certain time

4. Multi User

   • allows more than one user to use the sytem simultaneously
   • Time Sharing system

5. Multi Tasking

6. Distributed

7. http://prezi.com/l061lybqmlxa/operating-systems/