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Up
Arrow Keys
We use the Arrow keys to move the cursor up, down,
Left Right left and right. These keys are also known as the cursor
control keys.
Down
What is a Cursor?
A cursor is a small blinking line (|) on the screen. It shows the place where 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.
Pressing and releasing any button of a mouse is called clicking.
Moving the mouse while keeping the left button pressed is called dragging.
Rolling the scroll wheel upwards or downwards is called scrolling.
A keyboard is used to type on a computer.
Keys that have letters written on them are called alphabet keys.
Keys that have numbers on them are called number keys.
There are some keys that have a special role, these are called special keys.
A cursor is a small blinking 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 (V2.1)-I

