Which of the following is a device that digitizes and converts images into an electronic format?

Scanner
Mouse
Keyboard
Printer

Scanner

Rationale: A scanner is a device that digitizes and converts images into an electronic format. It is also known as an "image scanner", and may be flatbed, hand-held, or of other types of design. A flatbed scanner resembles the top portion of a photocopier, with a lid that is placed over the item to be scanned.