Correct option is C
The correct answer is (c) Scanners.
· Scanners are hardware input devices that convert physical documents into digital form by capturing images, text, or illustrations and transferring them to a computer.
· Scanners use technologies such as optical character recognition (OCR) to convert scanned text into editable text.
· Common types of scanners include flatbed scanners, sheet-fed scanners, and handheld scanners.
Information Booster:
· VDU (Visual Display Unit): A hardware output device used to display visual information from the computer. It includes monitors and screens.
· Speech synthesiser: An output device that converts text into spoken voice output. It is used in various applications like assistive technologies for the visually impaired.
· Plotters: Output devices used to produce high-quality graphics, drawings, and designs on large paper. They are often used in engineering and architectural fields.