Which device is used to input data into a computer?

Which device is used to input data into a computer?

• A. Input device
• B. Output device
• C. Sensor
• D. Monitor

Answer: (A)

Input devices are the means by which data gets into a computer. They take actions or signals from the real world and convert them into digital data that the computer can process. Think of keyboards, mice, scanners, and microphones—each serves to input information so the computer can work with it. The monitor, by contrast, is an output device; it displays results produced by the computer rather than feeding data into it. A sensor can indeed provide input, but the standard label for devices whose primary job is to bring data into the system is “input device.” That’s why this choice best fits the question.

Input devices are the means by which data gets into a computer. They take actions or signals from the real world and convert them into digital data that the computer can process. Think of keyboards, mice, scanners, and microphones—each serves to input information so the computer can work with it. The monitor, by contrast, is an output device; it displays results produced by the computer rather than feeding data into it. A sensor can indeed provide input, but the standard label for devices whose primary job is to bring data into the system is “input device.” That’s why this choice best fits the question.