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.A good, Computing hardware is when raw data enters the computer

.The processing is mainly handled by the Central Processing Unit (CPU)

.The most common manual input devices are the keyboard and mouse. Other manual input devices include

.A scanner can be used to digitise images.

. They're similar to a photocopier but they make a digital copy instead of a physical copy.

.They can also be used with optical character recognition (OCR) software to scan in text that is then editable.

.A touch sensitive visual display unit (VDU) or screen has a grid of light beams or fine wires criss-crossing the screen that are used to detect touch.