What Are Refreshable Braille Displays?
[Image Description: The image shows a diagram of a Refreshable Braille 18 Display. There is a row of refreshable Braille dots labeled "Braille Cells" that can display text at the top of the device. There are cursor routing controls, advance bars, auxiliary space, six blue Braille input keys, a joystick for navigation, a row of three blue keys labeled "7 Key, Space Bar, 8 Key," and a power button at the bottom. Each part of the Refreshable Braille 18 Display is labeled with its name in left-aligned black text with red arrows pointing to each part. The device also has a silver casing and appears to be portable. ] 1. What are Refreshable Braille Displays? Refreshable Braille displays are "a piece of computer hardware, which has a series of refreshable, or fluid, Braille cells on its surface" (WCBVI 2018). Refreshable Braille displays contain a single line with 14-80 Braille cells. "Instead of small holes in a piece of paper, each Braille dot in thes...