More Information in Windows Operating System

WOS (Window’s Operating System)
User - Person who uses the computer.
Hardware- Tangible/ Physical Artifacts
Application- ex: Microsoft Office 2007, Anti-virus, Games.
Operating System: Window 7, Window XP, Window Vista, Professional interface between user &
Hard-ware.
Features of Operating System
1. Program Execution- It can process a program in a computer.
2. Interrupts- IRQ request level by level.
Ex: Alt-F4 – Level 1
App-F4 – Level 2
3. Memory management – Distributing of memory in the application in accurate.
4. Multi-tasking- It can open many application.
5. Disk Access – File Access. Partition of memory into two

Two File-Systems
1. FAT- File Allocator Table- Slow data loading
2. NTFS- New Technology File System- Faster sending of the data.

Devices- Drivers is Software application
Ex: Sound Card, Video Card, Lan Card.
Software- Is use to run the operating System.

Two types of Software
1. System Software- Flat form/application software
2. Application Software
People ware- it compose of 5-10 people uses computer.