MTEL Digital Literacy and Computer Science

Category - Digital Lit and CS

A student needs to scan a printed document so that the scanned document can be edited in a word processing program. The student is using a scanner that connects to the computer via a wireless network. To obtain an editable version of the scanned document, which of the following types of software must be installed on the computer?
  1. An up-to-date device driver.
  2. An image editing application.
  3. Optical character recognition software.
  4. Data encryption/decryption software.
Explanation
Correct Response: C. A scanner creates an image of a document. In order to turn this image into an editable word processing document, the image must be analyzed to recognize each individual character. This function is performed by optical character recognition software. A is incorrect because a device driver allows a computer to communicate with a device such as a scanner, but it cannot convert an image into editable text. B is incorrect because an image editing application can manipulate an image, but it cannot convert an image into editable text. D is incorrect because data encryption/decryption software is used for information security and not for converting an image into editable text.
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