Scanner is classified as a/an:

Correct option is B

Ans. (b)
Sol. A scanner is an input device used to convert physical documents or images into digital form. It captures the image and sends it into the computer for further use or processing. It helps in maintaining electronic records, especially useful in hospitals and nursing documentation.
Explanation of each option:
· (a) Output device – Displays results like monitors, printers.
· (b) Input device – Correct. Scanner sends information into the system.
· (c) Processing device – Includes CPU and ALU; scanner does not process data.
· (d) Storage device – Stores data like hard drives or pen drives; scanner doesn’t.