Input/Output
Computers · इनपुट/आउटपुट · 16 facts
Keyboard is most common input device
Mouse is pointing input device
Scanner converts physical documents to digital format
Monitor is primary output device (displays visual output)
Printer produces hard copy output on paper
Speaker is audio output device
Touchscreen is both input and output device
Webcam captures video as input device
Microphone converts sound to electrical signal (input)
Projector displays output on large screen
Barcode reader scans barcodes as input
OCR (Optical Character Recognition) reads printed text
Plotter is output device for large engineering drawings
Joystick is input device used mainly for gaming
Light pen is input device that detects light on screen
Biometric devices read fingerprints, iris for authentication