Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- FPGA(also: Field-Programmable Gate Array)
- An integrated circuit that can be configured by the user after manufacturing to implement custom digital logic. FPGAs contain an array of programmable logic blocks and interconnects that can be reprogrammed to perform different functions. In assistive technology, FPGAs enable…
- Flatbed Scanner(also: Desktop Scanner, Document Scanner)
- A device that uses a flat glass surface on which documents or books are placed face-down to be digitised by a sensor that moves beneath the glass. In assistive technology, flatbed scanners have been used with optical character recognition (OCR) and text-to-speech software to…
- Force-Sensing Resistor(also: FSR, Force Sensor)
- A sensor that decreases in electrical resistance when physical pressure is applied to its surface. Force-sensing resistors are commonly used in assistive technology and accessibility applications to create pressure-sensitive input devices, haptic feedback systems, and adaptive…
- Form Factor(also: Device Form Factor, Handset Form Factor)
- Form factor refers to the overall physical size, shape, weight, and mechanical configuration of a device — for mobile phones this includes distinctions like candy-bar, clamshell (flip), slide-out keyboard, foldable, and modern all-touch slab. Form factor has direct accessibility…
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