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Spacebar Key
Spacebar is the longest key at the bottom
of the keyboard. It is used to give a blank
space between two letters, numbers, symbols and words.
Spacebar is the only key on the keyboard on which nothing
is written.
Enter Key
We use the Enter key to move to the next line. The Enter key is also
called the Return key. There are two Enter keys on a keyboard.
Backspace Key
We use the Backspace key to erase what we have typed.
Up Arrow Keys
We use the Arrow keys to move the cursor up,
down, left and right. These keys are also known
Left Right as the cursor control keys.
Down
What is a Cursor? Just like how birds use their
beaks to pick up food, we use
A cursor is a small blinking line (|) on the
a computer mouse to click and
screen. It shows the place where the typed select things on the screen.
letter or number will appear.
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.
24 Premium Edition-I

