Introduction of OS

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Introduction of OS by Mind Map: Introduction of OS

1. objective of os

1.1. convenience

1.2. efficiency

1.3. ability to evolve

2. Evolution of OS

2.1. Serial Processing

2.2. Simple Batch Cycle

2.3. Multiprogrammed Batch System

2.4. Time Sharing System

3. Parallel System

3.1. Increase throughput

3.2. Economical

3.3. Increase reliability

4. Symmetric Multiprocessing

4.1. several processes can run in parrelel

5. Asymmetric Multiprocessing

5.1. each processor is assigned a specific task

6. Real-Time Systems

6.1. Hard Real-Time Tasks

6.2. Soft Real-Time Tasks