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You need to place your index finger on the scroll wheel and roll it upwards or
downwards to move the page down or up.
Drag and Drop
Drag means to move the mouse while keeping the left mouse button pressed. It is
used to move an item to another location on the computer.
Drag and drop is a very useful action. It can be used to move objects on the
screen quickly.
release
press move
Drag and drop
To Sum Up
A mouse is a pointing device.
There are different types of computer mouse.
Pressing and releasing the left button of the mouse after pressing it once
is called a single-click.
Releasing the left button of the mouse after pressing it twice quickly is
called a double-click.
Pressing and releasing the right button once is called right-click.
Nowadays, a computer mouse has a wheel in between the right button
and the left button known as the scroll wheel.
Drag and drop is a very useful action to move objects on the screen
quickly.
49
Mouse—An Input Device

