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)?

  1. 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)
  2. B. It is a specialized monitor that uses haptic vibrations across a glass screen to simulate the texture of printed text.
  3. C. It is a peripheral device that converts text from a computer screen into high-speed audio for the visually impaired.
  4. 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