1.How to start a computer?

To starting a computer,need to follow some steps :

                      1. Switch on the Power switch
                      2. Switch on the UPS
                      3. Switch on the CPU
                      4. Switch on the Monitor

2. Which icon is displayed when you switch on a computer?

 A window icon is displayed when switch on a computer.

3.What is an operating system?

An Operating System is a computer program that manages the resources of a computer. It accepts keyboard or mouse inputs from users and displays the results of the actions

4.Which operating system is runs in our computer?

Windows operating system.

5.What is booting ?

Starting the computer system is called booting.

6.What is Desktop?

The desktop is the display screen that appears once the computer is switched on.

7. What are the items displayed on a desktop?

The items displayed on the desktop are : Icons,Taskbar and Start button.

8.Name some icons displayed on desktop.

My computer,My Document,Recycle Bin.

9.What are icons?

The small pictures displayed on the desktop area is known as icons.

10.What is the use of an icon?

An icon helps us to choose an item on the computer screen.

11.Where does the start button located?

Start button is located at the bottom of the Desktop.

12.What is the use of start button?

Start button is used for opening programs,applications and documents,changing settings,turning off the computer and many other purpose.

13.What is Task bar?

Task bar is the blue bar that is located at the bottom of the desktop.

14.What is the use of Task bar?

The Task bar shows the applications that are being used.It allows to quickly switch between them and it displays the time.

15.How to Start Ms - Paint?

Start -> Programs -> Accessories -> Paint.

16.How to close Ms - Paint?

To close Ms-Paint ,click on the close button placed at the upper right corner of the paint window.

17.How to open an application by selecting an Icon?

Click on any icon,when click on the icon,the desktop area surrounding the icon turns blue and click the left mouse button twice at a short interval.

18. Write an example to open an application by selecting an icon.

Clicking the my computer icon on the desktop , Now the my computer window is displayed.

19. How to shutting down a computer?

        1. Click on Start
        2. Click on the Turn off computer from the start menu

                                   
          
                  3. Click on the Turn off option
                  4. Switch off the Monitor
                  5. Switch off the UPS
                  6. Switch off the Power switch.

20. What is double clicking?

The pressing of the left mouse button twice within a short interval this is called double clicking.