A scanner is an example of an:

Question

BlackTom AI · Accepted Answer

When evaluating what a scanner is, it helps to categorize computer hardware by the function it serves in a typical setup.
Option a: 'a. Input device' is correct because a scanner converts physical documents or images into digital data that the computer can process, which is the primary role of an input peripheral.
Option b: 'b. Processing device' would refer to components like the CPU or GPU that perform computation; a scanner does not perform internal data processing, it only captures data to send to the computer.
Option c: 'c. Output device' describes devices that reproduce or present information from the computer, such as monitors or printers; a scanner does not display or print results directly.
Option d: 'd. Storage device' refers to components that hold data long-term, like hard drives or SSDs; a scanner does not store data itself, it transmits data to the computer or a connected storage medium.

A scanner is an example of an:单项选择题

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