Select the true statement about a scanner. a. It is a device that outputs digital images and text onto a screen.
b. It is a device that enables users to output digital images or text as hard copies.
c. It is an input device that enables users to convert hard copies to digital images or text.
d. It is a device that enables users to input photographs as digital images.

c. It is an input device that enables users to convert hard copies to digital images or text.

Explanation:

An input device can be defined as any device that is typically used for sending data to a computer system.

A scanner can be defined as an input device designed for transferring informations and images from hardcopy (physical) documents to digital computer files. Thus, it's simply an electronic input device that is used to digitally scan or copy data (informations) from a hardcopy document such as photographs, paper files, printed texts etc and then converted to a digital computer file in formats such as png, or jpeg. The scanner is a device which avail users the ability and opportunity to view, edit and transfer hardcopy document on a computer system in soft-copy.

Majority of the scanners used around the world are flatbed scanners and as such have a flat glass surface for scanning documents.

Basically, all scanners are to be used with a device driver software pre-installed on the computer before the configuration of the scanner.

Other types of scanners are drum scanners, contact image sensor (CIS) scanner, CCD scanner, planetary scanner, 3D scanner, Roller scanner etc.

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