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Double-Click
To double-click, move the Click Click
pointer to any object. Press and
release left mouse button two
times quickly. The program
opens.
Right-Click
Click
To right click, move the pointer and click right
button of the mouse once. It opens a menu of the
properties of the selected item.
Scroll
To scroll, place the index finger on
the scroll wheel and roll it. It moves a
page up and down.
release Drag
press move To drag move the mouse while keeping
the left button pressed. It is used to
move an item to another location on the
screen.
Interdisciplinary Learning
#Maths
1. Type the following sums on the computer. Use Number keys and Shift key.
4 + 3 = 10 – 2 =
160 + 45 = 500 – 255 =
2. Now, solve these sums using the calculator app on your computer and
type the correct answers in place of the dashes.
#Lab Activity
The Keyboard and the Mouse 37

