Paper 1 · ICT
A small or intelligent device is so called because it contains within it a
AComputer
BMicrocomputer
CProgrammable unit
DSensor ✓ Correct
Correct answer: (D) Sensor — A smart device is so called because it contains a sensor, so that is the answer.
Explanation
★A smart device is so called because it contains a sensor, so that is the answer.
★An intelligent device reacts to conditions around it.
★To do so it must sense those conditions.
★A sensor inside it detects light, heat, motion or other inputs.
★So the device is intelligent because it holds a sensor.
★So the answer is a sensor.
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