Computer Fundamentals

The CRT display is made up of small picture elements called pixels. The smaller the…

Monitors, commonly called as Visual Display Unit (VDU), are the main output device of a…

Following are few of the important output devices which are used in a computer. ●      Monitors…

OMR is a special type of optical scanner used to recognize the type of mark…

Bar Code Reader is a device used for reading bar coded data (data in form…

OCR is an input device used to read a printed text. OCR scans text optically…

MICR input device is generally used in banks because of a large number of cheques…

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

Digitizer is an input device which converts analog information into digital form. Digitizer can convert…

Scanner is an input device which works more like a photocopy machine. It is used…