OS Memory Management | Chapter 4 Part 1 Unit 1 | Class12 Semester 4 | Computer Application

Описание: OS Memory Management | Chapter 4 Part 1 Unit 1 | Class12 Semester 4 | Computer Application

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 Basic Operating System 10 Marks
Introduction
Definition, functions, Types of Operating System - Batch processing, Multi-programming, Time sharing, Multi-processing, Distributed and Real-time system.

Operating System Organization
Processor and User modes, Kernels, System calls and System programs.

Process Management
System view of process and resources, Process Control Block, I/O and CPU bound process.
Scheduling: Non-Pre-emptive and Pre-emptive scheduling.
Basic concept of First-Come-First-Serve (FCFS), Shortest-Job First (SJF) and Shortest-Remaining-Time-First scheduling.
Deadlock: Basic concepts.

Memory Management
Physical and Logical address space, Memory allocation strategies, Fixed and Variable partitions, Basic concept of Paging and Segmentation, Virtual memory.

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