COMPUTER HARDWARE COMPONENTS FUNCTIONS
COMPUTER OUTPUT DEVICES
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
Used to capture and can measure physical quantities
|
|
|
A hardware device that collects data and stores it.
|
|
|
Either A or B
|
|
|
None of the above
|
Detailed explanation-1: -A sensor is a device which measures a physical quantity such as the temperature and then sends a voltage to the computer representing the quantity.
Detailed explanation-2: -What is a sensor? A sensor is a device that detects and responds to some type of input from the physical environment. The input can be light, heat, motion, moisture, pressure or any number of other environmental phenomena.
Detailed explanation-3: -A sensor is a device that measures a physical quantity and converts it into a signal which can be read by an observer or by an instrument. For example, a mercury-in-glass thermometer converts the measured temperature into expansion and contraction of a liquid which can be read on a calibrated glass tube.