Which of the following statements correctly describes a tactile display (refreshable braille display)?
Computer Knowledge ·Previously asked in JKSSB Laboratory Attendant 2026
View the full solved paper: JKSSB Laboratory Attendant – 10 May 2026
Question
Which of the following statements correctly describes a tactile display (refreshable braille display)?
- A. It is an electro-mechanical device that uses round-tipped pins to represent Braille characters by raising them through holes in a flat surface. (Correct answer)
- B. It is a specialized monitor that uses haptic vibrations across a glass screen to simulate the texture of printed text.
- C. It is a peripheral device that converts text from a computer screen into high-speed audio for the visually impaired.
- D. It is a static hardware interface where Braille characters are permanently engraved into a metal plate for reading.
Correct Answer
Option A — It is an electro-mechanical device that uses round-tipped pins to represent Braille characters by raising them through holes in a flat surface.
Detailed Solution & Explanation
The correct answer is It is an electro-mechanical device that uses round-tipped pins to represent Braille characters by raising them through holes in a flat surface..
Key Points
- A refreshable Braille display uses electro-mechanical pins that are raised through holes in a flat surface to represent Braille characters.
Topics covered: Computer Hardware Assistive Technology