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Evolution of OS
Unit2
Aug 10, 2024
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This topic speaks about the Evolution of the os
Evolution From Batch Processing to Multi-User Marvels
| Batch processing | Real-time Processing |
|---|---|
| Jobs submitted on punched cards. | Prioritise task deadlines and ensure predictable response times. |
| Processed sequentially. | Crucial for embedded systems and critical applications. |
| Gather info over a specific period of time then processed. | Processing and updating done immediately. |
| Powered scientific and military applications. | Online shopping. |
Multiprogramming
• Juggles multiple programs on a single CPU, keeping it busy and responsive.
• Includes interactive multiprogramming, where users directly interact with programs, forming the basis of modern personal computing.
Multiprocessing:
Harnesses multiple CPUs for true simultaneous execution, significantly boosting overall performance and handling demanding tasks.
| Multiprogramming | Multiprocessing |
|---|---|
| Juggles multiple programs on a single CPU, keeping it busy and responsive. | Harnesses multiple CPUs for true simultaneous execution, significantly boosting overall performance and handling demanding tasks. |