What is the difference between "low-tech" and "high-tech" solutions for people with disabilities?

Options:
(a) Low-tech solutions are less expensive.
(b) Low-tech solutions are non-electrical.
(c) High-tech solutions are more effective.
(d) High-tech solutions are more complicated.

✅ Correct option: (b) Low-tech solutions are non-electrical.
Explanation: Low-tech tools do not require electricity (e.g., pencil grips), while high-tech devices use electronics (e.g., speech-generating devices).