Imaging uses which device to input data?
Correct answer: A. Scanners
- A. Scanners
- B. Icons
- C. Barcode
- D. Tablets
Explanation
Scanners are input devices that are used to convert physical documents or images into digital files. They work by using a light source to capture the image on the document, which is then converted into a digital signal that can be processed by a computer.
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Computer fundamentals covers the history and generations of computers, their characteristics, applications and limitations, and the basic data-processing cycle. It includes binary, decimal, octal and hexadecimal number systems, units of storage, input and output devices, memory types, operating systems, and the distinction between raw data and processed information.
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