Operating systems

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Operating systems

  1. 1.                OPERATING  SYSTEMS.. Presented by, R.Mujeebabeham Final year,CSE.    
  2. 2. SEQUENCE:  UNDERSTANDING OPERATING SYSTEMS  HISTORY  SALIENT FEATURES COMPARISON  ADVADAGES AND DISADVANDAGES    
  3. 3. I.UNDERSTANDING OPERATING SYSTEMS 1.what is o/s? Set of programs containing instructions that work together to coordinate all the activities among computer hardware resources. The interface between the user and the computer hardware.    
  4. 4. 2.COMPUTER HIERARCHY: User Applicati Operatin on g system    
  5. 5. 3.OPERATIONAL INTERACTION        O/S    
  6. 6. 4.TYPES OF O/S: •Real-time operating system (RTOS) •Single-user, single-tasking •Single-user, multi-tasking •Multi-user, multi-tasking    
  7. 7. II.HISTORY 1.Time Line chart Windows  Mac OS  7 10.5 200 200 200 200 201 201 6 7 8 9 0 4 Windows  Windows  Kubunt Vista server  u     2008
  8. 8. 2.Most Common Operating Systems LINUX MAC    
  9. 9. III.SALIENT FEATURES COMPARISON 1.VIRUSES Operating Number of System Viruses windows 60,000 Mac 70 Linux 40    
  10. 10. 2.LINES OF CODE: Operating Lines of Code System Windows 89 million Mac 50 Million Linux 40 Million    
  11. 11. IV.ADVANTAGES AND DISADVANDAGES  1.Windows Easy to use Advandages: Familiar Update WINDOWS Gaming Supporting    
  12. 12. Windows Disadvandages Expensive WINDOWS Not stable Not secure    
  13. 13. MAC Advantages Great GuI secure stable MAC Better to  Graphic Designer    
  14. 14. MAC  Platform  Disadvantages Depentent Difficult  Not All S/W Mouse Run MAC  No Gaming     
  15. 15. Linux Advantages Free Low PC  Stable Requirement Linux Source code Secure    
  16. 16. Linux Disadvandages Not all S/W Run Linux Hard to learn,  Not Support Use & install     
  17. 17. Operating System Evolution •50s main frame era  60s microprocessor  80s game consoles  90s Personal Computers  2010 open source mobile OS  2020 online OS    
  18. 18. THANK YOU...    
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