2. Introduction of Windows OS
Windows is an operating system developed by Microsoft Corporation. It is the
most widely used OS for personal computers (PCs) in the world. It provides a
Graphical User Interface (GUI) to make computer use easy for users, with icons,
windows, buttons, etc.
3. History of Windows OS
Version Release Year Description
◦ Windows 1.0 1985 First GUI-based
OS by Microsoft
◦ Windows 3.1 1992 Improved
graphics and font support
◦ Windows 95 1995 Start Menu
introduced
◦ Windows 98 1998 Internet
Explorer integrated
◦ Windows XP 2001 User-friendly
and stable
◦ Windows Vista 2007 Aero GUI but
slow
◦ Windows 7 2009 Fast, reliable,
widely used
◦ Windows 8 2012 Start screen
with tiles
◦ Windows 10 2015 Combined
Start Menu + tiles
◦ Windows 11 2021 New UI, better
multitasking, Android apps support
5. ◦ Graphical Interface – User-friendly
with icons and menus
◦ Multitasking – Can run multiple
applications at the same time
◦ Plug and Play – Automatically detects
hardware
◦ Security Features – Firewall,
antivirus, user account control
◦ File Management – Easy file handling
with File Explorer
◦ Networking Support – Connects
easily to LAN, Wi-Fi, Bluetooth
◦ Update & Support – Regular updates
and patches
◦ Search Function – Built-in search bar
for apps/files
7. ◦ Easy to Use – Best for beginners with
simple GUI
◦ Wide Software Support – Most
software and games are made for
Windows
◦ Hardware Compatibility – Works with
most hardware and drivers
◦ Regular Updates – Security and
feature updates are frequent
◦ Strong Community – Lots of tutorials,
forums, and support
9. ◦ Costly – Not free (paid license
required)
◦ Virus-Prone – Targeted more by
malware than Linux/Mac
◦ Slower Over Time – May become slow
with age or heavy apps
◦ High System Requirements – New
versions need better hardware
◦ Less Customizable – Compared to
Linux
11. ◦ Personal Use – Browsing, multimedia,
emails, etc.
◦ Office Work – MS Office, Excel,
PowerPoint, etc.
◦ Education – Learning software, coding
tools, e-learning
◦ Gaming – Largest platform for PC
gaming
◦ Software Development – Supports
tools like Visual Studio
◦ Multimedia Editing – Photoshop,
Premiere Pro, etc.
◦ Business Applications – Data
management, accounting tools
◦ Internet Browsing – Using browsers
like Edge, Chrome
13. Linux is a free, open-source, and Unix-like operating system based on the Linux kernel, which
was first released by Linus Torvalds in 1991.
It is used in servers, desktops, smartphones, embedded systems, and even supercomputers.
Linux is multi-user, multitasking, and highly secure
.Many distributions (distros) exist: Ubuntu, Fedora, Debian, Kali Linux, Red Hat, CentOS, Arch
Linux, etc.
Unlike Windows, Linux gives users and developers full control over the system.
15. 1969UNIX OS developed at Bell Labs (foundation for Linux)1991 Linus Torvalds, a Finnish
student, created Linux kernel and released it as open source
1992 Linux licensed under GNU GPL (free to use and modify)
1993+ Many Linux distributions started appearing
2000s Used in web servers, supercomputers, and cloud systems
Today Powering most of the internet, servers, Android phones, IoT devices, and AI systems