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Operating System And Its Functions

Operating System And Its Functions - Operating System Provides Interaction Between User And Hardware. HARDWARE CPU - CPU Is Called As Brain Of The System. I/O DevicesĀ  - Keyboard, Mouse, Printer, Scanner Etc Are Some Of The I/O Devices. RAM - It Is Called As Main Memory. Hard Disk - It Is Called As Secondary

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Syllabus Of Operating System

The Topic Is Syllabus Of Operating System. Basic Introduction Types Of Operating System Process Diagram System Call Process Scheduling (Easy And Very Important) FIFO SJF PR ROUND ROBIN Process Synchronisation (Complex) Semaphore Dead Lock & Threads Banker Algorithm Kernel Level Thread User Leval Thread Memory Management Paging Segmentation Fragmentation Virtual Memory Page Replacement Algorithm Disk Scheduling

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Process Management

Process Management - What Is Process? What Is Process Control Block What Is Concurrent Processes? What Is Process Creation? What Is Process Termination?   Process A Program In Execution Is Called As Process. A System Can Be Viewed As A Collection Of Processes. Operating System Process Execute System Code And User Processes Execute User

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Day 6: Booting Of Operating System

Booting Of Operating System - Once You Power-On A Computer System, The Process Of Loading The Operating System And Applications Is Called As Booting Process. Following Are The Various Steps Involved While Booting The Operating System : The Basic BIOS (basic i/o system) Program Initializes Various Input/Output Controllers And Input/Output Devices. Finally,

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Day 5: Components Of An Operating System

Components Of An Operating System - Operating System Is A Collection Of Programs, Operating System Is Not A Single Program, It Is A Set Of Programs. However, The Real Core Of An Operating System Is Called As KERNAL. The Second Important Program Of An OS Is User Interface (UI) Program. Old

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Day 4: Functions Of Operating System

Operating System Provides Many Functions For Ensuring The Efficient Operation Of The System Itself. The Various Functions Of Operating System Are Following. Resource Allocation Sometimes Multiple Jobs Are Running At The Same Time And Resources Must Be Allocated To Each Of Them. The Different Resources Are Managed By The Operating System. Accounting Operating System

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Day 3: Operating System Services

There Are Many Services Provided By Operating System To The User And Programs. The Services May Differ From One Operating System To Another. The Following Are The Operating System Services That Are Provided To Make The Work More Convenient. 1. Program Execution The Operating System Help To Load A Program Into Memory

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Day 2: Types Of Operating Systems

Batch Operating System, Multiprogramming Operating System, Multi-Tasking Operating System, Multithreading Operating System, Real-Time Operating System, Distributed Operating System Are The Types Of Operating Systems. Batch Operating System Early Computers Were Large Machines The Run From A Console. Console Means It Is A Panel Or Unit Accommodating A Set Of Controls For Electronic And

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Day 1: Operating System

Operating System Is A Program That Acts As Interface Between The User And The Computer Hardware. The OperatingSystem Provides And Environment For Execution Of Programs. Thus Operating System Makes The Computer System Easy To Use. An OperatingSystem May Be Viewed As An Organised Collection Of Softwares, Extensions Of Hardware, Consisting

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Day 4: Operating System Structure

Operating System Software Is Organised With Operating System Services And The Components Of The Operating System. The Picture Shows You The Operating System Services. The Above Picture Shows The Overview Of The Operating System Services. Program Execution I/O Operation File Systems Communication Resource Allocation Accounting Error Detection Protection And Security All These Services

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