Presented By: Sajid Khan ECN 1 st Sem Presented to: Miss. Krupali Jhala Mam A Presentation On
Jun 29, 2015
Presented By:Sajid KhanECN 1st Sem
Presented to:Miss. Krupali Jhala Mam
A Presentation On
Contents
Introduction History Why OS Structure of OS Services Types DOS Win 95
Win 98 Win 2000 Win XP Win 7 Linux Unix Window versus
Linux
Introduction
An operating system is the set of programs that controls a computer Or the software that controls the hardware.
Such as - UNIX, MS-DOS, Windows, Windows/NT, MacOS etc.
History
The 1940's - First Generations The 1950's - Second Generation The 1960's - Third Generation Fourth Generation
Why Operating System
To hide details of hardware Manage resources Provide a effective user interface Provide platform for applications
Structure of OS
Process Management Main-Memory Management File Management I/O System Management Secondary-Storage Management Protection System Command Interpreter System
OS Services
Program Execution I/O Operations File System Manipulation Communications Error Detection
Some Operating Systems
MS-DOS Windows 95 Windows 98 Windows 2000 Windows XP Windows 7 Unix Linux
MS-DOS MS-DOS stand for
Microsoft-Disk Operating System which is used for operating the system.
The main functions of DOS are to manage disk files, allocate system resources
according to the requirement.
Features of DOS
Single user single task OS. Also comes along with Windows. Command base OS.
System Requirement
Minimum 256 KB of RAM. 360 KB of Floppy Drive.
Windows 95
It is the entry point to a 32-bit operating environment with less set of hardware requirements. It has more compatibility with other software.
Graphical User Interface Start Button Windows Explorer Long File Names Shortcuts Easy Internet Access Software Compatibility Find Utility
Features of Win 95
A computer with 386 or higher processor
4 Megabytes of RAM or higher 40 MB Hard disk space.
System Requirement
Windows 98 is a graphical operating system by Microsoft.
It is the second major release in the Windows 9x line of operating systems.
Windows 98
Multiple Display Support System File Checker Utility Windows Tune-Up Wizard Built-in Networking Plug and Play hardware and software New Background Properties Supports USB
Features of Win 98 :-
A computer with 486 or higher processor
24 Megabytes of RAM or higher 225 MB Hard disk space.
System Requirement
Windows 2000 Is based of the Windows NT Kernel and is sometimes referred to as Windows NT 5.0. Windows 2000 has a range of multilingual features that make it very useful for anyone involved with more than one language.
Windows 2000
DVD support Large Support for your devices Hibernation Auto Correct Net Meeting Supports NTFS
Features of Win 2000
133 MHz or more Pentium microprocessor.
32 MB RAM is the minimum 4 GB is the maximum.
CD drive or DVD drive 650 MB of Hard disk space.
System Requirement
Windows XP is the second most popular version of Windows.
Which is The NT-based versions of Windows, which are programmed in C, C++, and assembly.
The name "XP" is short for "eXPerience.
Windows XP
Less Crashing Treats a CD-RW like a real drive System Restore AutoPlay Software Restriction Policies Windows Security Center Bluetooth support
Features of Windows XP
Pentium 233-megahertz 64 MB RAM CD drive or DVD drive 1.5 GB of Hard disk space. Sound Card
System Requirement
Windows 7 is the latest release 64 bit OS of Microsoft, a series of including home and business Desktop, Laptop, Notepad, Tablet PCs Windows 7 was released to manufacturing on July 22, 2009, and reached general retailavailability worldwide
Windows 7
Thumbnail previews AppLocker Boot performance Automatic Desktop Wallpaper Shuffling Libraries Make File Management Easy
Features of Windows 7
As an open operating system,Linux is developed collaboratively.
Linux
Features of Linux Cost Security Little Viruses Customizable Totally Secure
Problems With Linux
Understanding Compatibility Alternative Programs
Multi-user Multitasking More stable Leader in serving the Web Portable
Unix
Linux vs Windows
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Price Ease Reliable S/ w S/ w Cost Secure Support
Linux Windows
Query Session