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Glossary

Sensors

Small chips that detect motion, light, distance and direction — used for rotation, brightness, steps and more.

Phones use sensors such as the accelerometer and gyroscope (motion and rotation), proximity (screen off during calls), ambient light (auto-brightness), compass and barometer (altitude). They power everyday features you rarely notice.

Also called: accelerometer, gyroscope, barometer, compass, proximity

More terms

Dimensions and weightHeight × width × thickness in millimetres, and weight in grams, as stated by the maker.Wh (watt-hour)A measure of the energy a battery stores. Used for laptops, power banks and airline limits.Stereo speakersTwo speakers (usually top and bottom) for left/right sound in videos and games.Torque (Nm)The twisting force an engine or motor delivers, in newton-metres. More torque = stronger pull from low speed.TDP / TGP (W)The power a CPU or graphics card is designed to use under load, in watts. It decides the cooler and power supply you need.CPU cores and threadsCores are separate processing units; threads are tasks a core can run at once. More helps multitasking and heavy work.

All glossary terms