An operating system must be present in your computer for it to accept and understand your instructions.
An operating system is a set of programs which starts a computer and allows the users to interact with the hardware and software present in the computer.
In older computers, an operating system called Disk Operating System or Dos was used. It had some limitations. You needed to remember lots of commands to work in DOS. If you forgot any command, you may have to leave your work unfinished. So it was difficult to work on computers.
Windows
Windows operating system is a user-friendly operating system. It is simple and easy to use. You do not need to remember the commands. You can communicate with the computer using simple graphical pictures and menus. So, windows operating system is said to have a Graphical User Interface (GUI).Windows is a family of GUI operating systems developed by Microsoft Corporation for personal computers. The name windows comes from the basic function of the operating system, it lets you look into your computer, just like looking through a window.
Windows 7
Windows 7 is an operating system that Microsoft has produced for use on personal computers. It is the follow-up to the Windows Vista Operating System, which was released in 2006. An operating system allows your computer to manage software and perform essential tasks.
Improvements for both Vista and XP users
New Taskbar and System Tray
Quick Desktop View button
Improved Start Up, Sleep, and Resume performance
Improved power management saves memory and battery life
Libraries to improve file access and organization
Action Center for system maintenance, backups, and troubleshooting
User Account customization of notifications
Improved back up
New wallpapers and themes
Improved gadgets
New premium games, including Chess Titans, Mahjong Titans, and Inkball
Advanced Calculator functions, including saving history
Improved networking via HomeGroups
Passkey protection with networks
Device Stage for recognizing USB devices faster
Windows Mail replaced by Windows Live
Changes and improvements from Windows XP only
New Start icon
Aero Snap, Shake, and Peek
Desktop icons like Computer and My Documents now accessed through Start Menu
Larger icons and hidden icons in the Taskbar
Quick Launch toolbar replaced by pinning a program to the Taskbar
Jump Lists for easier access
Search Bar in the Start Up Menu
Run command accessed through Start Menu's Search Bar
Faster and smoother gaming components
Parental Controls for monitoring computer use
Update feature that eliminates web surfing for patches
Logging On to a Windows 7 Station
In the User name text box, type your username
In the Password text box, type your password
Logging Off a Windows 7 Station
Start menu🡪click MORE🡪select Log Off,
What is Aero?
The AERO interface, which stands for Authentic, Energetic, Reflective, and Open, gives users a crisp new graphical user interface in Windows Seven. The Windows Flip and Flip 3D options are only available under the AERO interface.
Open more than two application / program windows
Press ALT Tab key combination to shuffle through the Live thumbnails of your open applications.
Windows Seven allows users to go through open windows in a 3D mode. The 3D flip mode activates using the Windows key Tab.
Working with Files
Working with files is an important part of managing documents in Windows 7.
Selecting Single/Multiple Files
Copying, Moving, Renaming, Deleting Files
Working with the Recycle Bin.
Working with Gadgets
The Windows 7 gadgets feature facilitate the user to have them on desktop for their use.
Adding Gadgets to the Desktop
Right click anywhere on the desktop » select Gadgetsoption. The Gadget Gallery appears. To add a gadget, double click or Drag the gadget
Moving Gadgets
Click on the desired gadget's handle; Drag it to the desired location.
Removing Gadgets
Removing a gadget does not remove it from the Gadget Gallery.
Move mouse pointer to the desired gadget
Click CLOSE. The gadget will be removed.
Capturing Images
The Snipping Tool provides four ways to capture images: Free-Form Snip, Rectangular Snip, Window Snip, or Full-screen Snip.
The Free-Form Snip provides a pen with which you create the borders of your snip with the precision of your mouse. This snipping option allows for abstract shapes and nonlinear images
From the New Snip pull-down menu, select Free-Form Snip
Click and drag the mouse along the border of your image
When finished, release the mouse button, To recapture the image
Click NEW SNIP
Repeat steps 3-4