Input devices allow users to send data and commands to a computer, with the CPU processing these inputs. Common input devices include keyboards for typing, mice for navigation, scanners for reading printed materials, and light pens for graphics work. Each device plays a specific role in facilitating user interaction with the computer.

1. INPUT DEVICES :
 Input device enables the user to send data,
information, or control signals to a
computer.
The central processing Unit (CPU) of a computer
receives the input and processing it to output.

2. KEYBOARD:
Keyboard is the most
common and most
important input device.
Its look like type writer.
It has got various keys,
which are used to data
and commands to the
computer.

3. MOUSE:
Its used to give
command and
sometimes input to the
computer.
It’s a small box with a
round ball at the
bottom and more than
one button one the top

4. SCANNER:
Scanners read and
interpret
information on
printed matter.
The information is
converted to a
format for storage.

5. LIGHT PEN:
Pointing input device having the
size and shape of regular pen.
Its used to select a displayed
menu item or draw pictures on
monitor screen.
Primarily used for graphics
works.
Used to identify the specific