Input Devices and it's meanings...

Input Devices and it's meanings...

1. MicroPhone

   • Microphone is an input device to input sound that is then stored in a digital form.

2. Scanner

   • Scanner is an input device, which works more like a photocopy machine. It is used when some information is available on paper and it is to be transferred to the hard disk of the computer for further manipulation.

3. Track Ball

   • Track ball is an input device that is mostly used in notebook or laptop computer, instead of a mouse.

4. Mouse

   • Mouse is the most popular pointing device. Generally, it has two buttons called the left and the right button and a wheel is present between the buttons.
   • A mouse can be used to control the position of the cursor on the screen, but it cannot be used to enter text into the computer.

5. Light Pen

   • Light pen is a pointing device similar to a pen. It is used to select a displayed menu item or draw pictures on the monitor screen.

6. Joy Stick

   • Joystick is also a pointing device, which is used to move the cursor position on a monitor screen. It is a stick having a spherical ball at its both lower and upper ends. The lower spherical ball moves in a socket. The joystick can be moved in all four directions.