The answer is B: An input device enters data and instructions into the memory of the device. An output device is how the processed information is displayed.
Explanation for each option:
A. Incorrect. This option incorrectly describes input and output devices. Input devices do not create formats; they are used to enter data into a system. Output devices are not limited to touchscreens or keyboards; in fact, keyboards are input devices.
C. Incorrect. This option reverses the roles of input and output devices. Input devices are used to enter data, while output devices display or output the processed information.
B. Correct. This option accurately describes the roles of input and output devices. Input devices, such as keyboards and mice, are used to enter data and instructions into a computer. Output devices, such as monitors and printers, display or output the processed information.
D. Incorrect. This option misclassifies devices. Speakers and headphones are output devices, not input devices. Game controllers and webcams are input devices, not output devices.
In summary, input devices are used to enter data into a computer, while output devices display or output the processed information.
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