Page 24 - Computer Genius Class 01
P. 24
Up
Arrow Keys
We use the Arrow eys to mo e the cursor up do n
Left Right le t and right. These eys are also no n as the cursor
control keys.
Down
What is a Cursor?
A cursor is a small lin ing line on the screen. t sho s the place here the typed
letter or number will appear.
Let's REFRESH
A mouse is an important part of a computer
A mouse is a pointing device that has two or three buttons.
The arrow we see on a computer screen is called the mouse pointer.
ressing and releasing any utton o a mouse is called clic ing.
o ing the mouse hile eeping the le t utton pressed is called dragging.
Rolling the scroll wheel upwards or downwards is called scrolling.
ey oard is used to type on a computer.
eys that ha e letters ritten on them are called alpha et eys.
eys that ha e num ers on them are called num er eys.
There are some eys that ha e a special role these are called special eys.
cursor is a small lin ing line on the screen.
EXERCISE
A. Tick ( ) the correct option.
1. Which of the following is a computer mouse?
(i) (ii)
(iii) (iv)
22 Computer Genius-I

