A user wants to hand-write notes on a tablet and asks the help-desk technician which kind of stylus will support pressure-sensitive strokes, a programmable side button for quick erase, and reliable palm-rejection. Which accessory type should the technician recommend?
A plastic-tip stylus designed for resistive touch screens
An active, Bluetooth-enabled stylus with its own battery
A passive capacitive stylus with a rubber tip
An EMV/NFC stylus intended for contactless payments
Features such as variable line thickness, shortcut buttons, and palm-rejection require the tablet to distinguish the stylus from a bare finger. An active stylus contains its own electronics, usually a small battery and Bluetooth radio, so it can transmit additional data (pressure, button clicks, unique ID) to the host device. A passive capacitive stylus or a simple resistive stylus is sensed exactly like a fingertip and cannot provide these advanced functions. "EMV/NFC stylus" is not a touch-input technology at all and would not influence writing performance.
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