Keyboard

Mouse

Joy Stick

Light pen:

It is used to select a displayed menu item or draw pictures on monitor.

Track Ball:

It is used in laptop or notebook in place of a mouse.

Scanner

Digitizer:

It is also known as tablet or graphics tablet, which can convert graphics & pictorial data into binary inputs.

Microphone

Magnetic Ink Card Reader (MICR):

It is generally used in banks as there are large number of cheques to be processed every day. The bank’s code number and cheque number are printed on the cheques with a special type of ink that contains particles of magnetic material that are machine readable.

Optical Character Reader (OCR):

It is used to scan text optically, character by character, converting them into machine readable code, and stores the text in the system memory.

Bar Code Reader

Optical Mark Reader (OMR):

It is especially used for checking answer sheets in examinations, having multiple choice questions.