Glossary
Plain-English explanations of the technology terms you meet in reviews, specifications and buying guides.
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Display17 termsScreen types, resolution, brightness, refresh rate and the other words used to describe displays.Power & Battery5 termsBattery capacity, charging speeds, power use and the terms behind battery life.Memory & Storage6 termsRAM, storage types and speeds, and how memory and storage work.Connectivity15 termsWi-Fi, Bluetooth, mobile networks, ports and the other ways devices connect.Durability3 termsWater and dust ratings, protective glass and the terms that describe how tough a product is.Standards & Marks2 termsIndian and international standards, certifications and quality marks explained.Camera19 termsSensors, lenses, autofocus, stabilisation and the other terms used for cameras.General8 termsEveryday technology terms that apply across many kinds of products.
Most read terms
Touch Sampling RateTouch sampling rate is how many times each second a screen checks for a finger touch, measured in hertz.Read the explanation →5G5G is the fifth generation of mobile network technology, designed to carry data faster and with less delay than 4G.Read the explanation →Active Noise Cancellation (ANC)Active noise cancellation uses microphones and a speaker to produce sound that cancels steady background noise before it reaches your ears.Read the explanation →Refresh RateRefresh rate is how many times each second a screen redraws the picture, measured in hertz (Hz).Read the explanation →HDR10+HDR10+ is an HDR video format that adds scene-by-scene brightness information to HDR10.Read the explanation →PWM DimmingPWM dimming controls screen brightness by switching the light on and off very quickly, so the screen looks dimmer when it is off for longer.Read the explanation →
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IR BlasterAn IR blaster is a small infrared light on a device that sends remote-control signals to TVs, air conditioners and similar appliances.Read the explanation →Bypass ChargingBypass charging sends power from the charger straight to the device's circuits, so the battery stays idle while the cable is plugged in.Read the explanation →In-Display Fingerprint SensorAn in-display fingerprint sensor sits under the screen and reads your finger when you touch a marked area of the display.Read the explanation →10-Bit Colour10-bit colour means a display describes each primary colour in 1,024 steps instead of 256, which allows smoother gradients.Read the explanation →MIL-STD-810MIL-STD-810 is a United States military test standard that describes how to test equipment against shocks, heat, cold, humidity and other harsh conditions.Read the explanation →ECGECG is a recording of the heart's electrical activity, and a watch records a short single-lead trace from the wrist.Read the explanation →Touch Sampling RateTouch sampling rate is how many times each second a screen checks for a finger touch, measured in hertz.Read the explanation →HDMIHDMI is a port and cable standard that carries digital video and audio from one device to a screen.Read the explanation →Optical ZoomOptical zoom enlarges a distant subject by changing the lens itself, so the picture keeps its real detail.Read the explanation →Wi-Fi 5Wi-Fi 5 is the common name for the 802.11ac wireless standard, which connects devices to a router on the 5 GHz band.Read the explanation →Dual-Frequency GPSDual-frequency GPS lets a receiver use satellite signals on two radio frequencies at once, instead of one, to work out its position more accurately.Read the explanation →DisplayPortDisplayPort is a digital video connection, made to a common standard, that sends picture and sound from a computer to a monitor.Read the explanation →