Scanner input device category – UGC NET Question

A scanner captures information from physical documents and transmits it to the computer as digital data. This process feeds information into the system rather than sending results out to the user. In classification of hardware, such devices are grouped as input devices. Hence, the blank must be filled with input.

Option A:
Option A is correct because input devices are defined as hardware components used to enter data and instructions into a computer, and a scanner clearly performs this role by digitising paper content.

Option B:
Option B, output, devices such as monitors and printers present processed information to the user and do not capture external data.

Option C:
Option C, storage, devices primarily hold data over time and are not directly involved in acquiring it from outside sources.

Option D:
Option D, processing, refers to components like the CPU that manipulate data but do not acquire it from the external environment.