CDS 2026 (I) General Knowledge, question 35

Topic: Science and technology

Answers by SolvedPaper. UPSC has not released the official answer key for this paper yet. We will update it when they do.

Q35

Code Division Multiple Access (CDMA) technology is primarily used in :

  1. (a) Mobile phone communicationCorrect answer
  2. (b) X-ray
  3. (c) Artificial Intelligence
  4. (d) Colour Xerox

Solution.

Answer: (a) Mobile phone communication

  1. CDMA separates users by assigning distinct spreading codes while allowing them to share a frequency band.
  2. Its principal application among the choices is mobile telecommunications.