Which statement correctly describes data collection devices?

Which statement correctly describes data collection devices?

• A. Data is captured automatically using sensors
• B. Data must be entered manually
• C. Data collection devices are always cheap
• D. Data cannot be updated

Answer: (A)

Data collection devices often rely on sensors to automatically collect information from the environment, turning physical quantities into digital signals that can be stored, processed, and analyzed. This automatic capture is what makes these devices efficient for gathering large amounts of data over time, with consistent sampling and time-stamped records. For example, a weather station uses temperature, humidity, and wind-speed sensors to continuously log readings without someone having to type each value. Because of this, the description that data is captured automatically using sensors accurately reflects how these devices operate. Manual data entry is possible in some contexts, but it is not the defining feature of data collection devices. Additionally, many data collection devices are not inherently cheap; they range from inexpensive hobby sensors to expensive industrial systems. And data can be updated after initial collection as new readings come in or corrections are made, so saying data cannot be updated is false.

Data collection devices often rely on sensors to automatically collect information from the environment, turning physical quantities into digital signals that can be stored, processed, and analyzed. This automatic capture is what makes these devices efficient for gathering large amounts of data over time, with consistent sampling and time-stamped records. For example, a weather station uses temperature, humidity, and wind-speed sensors to continuously log readings without someone having to type each value. Because of this, the description that data is captured automatically using sensors accurately reflects how these devices operate.

Manual data entry is possible in some contexts, but it is not the defining feature of data collection devices. Additionally, many data collection devices are not inherently cheap; they range from inexpensive hobby sensors to expensive industrial systems. And data can be updated after initial collection as new readings come in or corrections are made, so saying data cannot be updated is false.