Basics
Monitors
Monitors, commonly called as Visual Display Unit (VDU), are the main output device of a computer. It forms…
August 27, 2021 · Prabhu TLBasics
Basics
Computer – Output Devices
Following are few of the important output devices which are used in a computer. ● Monitors ● Graphic Plotter ● Printer
August 27, 2021 · Prabhu TLBasics
Optical Mark Reader (OMR)
OMR is a special type of optical scanner used to recognize the type of mark made by pen…
August 27, 2021 · Prabhu TLBasics
Bar Code Readers
Bar Code Reader is a device used for reading bar coded data (data in form of light and…
August 27, 2021 · Prabhu TLBasics
Optical Character Reader (OCR)
OCR is an input device used to read a printed text. OCR scans text optically character by character,…
August 27, 2021 · Prabhu TLBasics
Magnetic Ink Card Reader (MICR)
MICR input device is generally used in banks because of a large number of cheques to be processed…
August 27, 2021 · Prabhu TLBasics
Microphone
Microphone is an input device to input sound that is then stored in digital form. The microphone is…
August 27, 2021 · Prabhu TLBasics
Digitizer
Digitizer is an input device which converts analog information into digital form. Digitizer can convert a signal from…
August 27, 2021 · Prabhu TLBasics
Scanner
Scanner is an input device which works more like a photocopy machine. It is used when some information…
August 27, 2021 · Prabhu TLBasics
Track Ball
Track ball is an input device that is mostly used in notebook or laptop computer, instead of a…
August 27, 2021 · Prabhu TL