Which one of the following describes the device shown below?

Question

BlackTom AI · Accepted Answer

A graphics tablet (pen tablet) converts the user's pen movements into digital signals that the computer receives and interprets, so it functions as an input device.

1. Relevant knowledge points and concepts
- Input device: hardware that sends data or control signals to a computer (e.g., keyboard, mouse, scanner, graphics tablet).
- Output device: hardware that presents information from the computer to the user (e.g., monitor, printer, speakers).
- Storage device: hardware that stores data persistently (e.g., HDD, SSD, USB flash drive).
- Processing device: hardware that performs computations and logic (e.g., CPU, GPU).

2. Step-by-step reasoning
- Observe the image: a flat tablet with a stylus (pen) being used by a hand.
- Identify the function: the pen’s position, pressure, or movement is captured by the tablet’s sensors and transmitted to the computer as input signals.
- Determine the role: since the device provides user-generated data to the computer (drawing, cursor movement), it is providing input rather than producing output, storing files, or performing general processing.

3. Calculations / intermediate steps
- No numerical calculations are required. The logical steps are: user action → tablet sensing → digital signal → computer software receives input.

4. Why the correct answer is correct
- The tablet’s primary purpose is to accept user input (stylus strokes) and translate them into digital commands or coordinates for software (illustration, photo editing, handwriting). This matches the definition of an input device.

5. Why the other options are incorrect
- a. Storage device: a storage device retains data long-term; the tablet does not function as storage.
- c. Output device: an output device displays or produces results from the computer; the tablet does not primarily display results (it collects them).
- d. Processing device: processing devices perform computations (CPU/GPU); the tablet only senses and transmits input, not general processing.

6. Conclusion
The device shown is an input device. Final answer: b. Input device.

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