Which of the following devices collects data directly from the environment for input into a computer system?
A) Sensor
B) Touch screen
C) Audio input
D) Trackball
E) Digital scanner

Question

Quizplus · Accepted Answer

A sensor is a device that detects and responds to some type of input from the physical environment, such as light, heat, motion, pressure, or moisture. Sensors collect data and convert it into a signal that can be read by a computer system, making them an important tool for inputting data into a computer. The other choices listed may also be used as input devices, but they do not directly collect data from the environment like a sensor does.

Which of the Following Devices Collects Data Directly from the Environment