5. World's first cellular system was developed by (A) Nippon Telephone and Telegraph (NTT) (B) Bellcore and Motorola (C) AT&T Bell Laboratories (D) Qualcomm
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The world's first cellular system was developed by Nippon Telephone and Telegraph (NTT).
Option (a) is correct.
Explanation:
- A cellular system is a cellular network in which a cellular network connects to different stations through towers.
- Nowadays, cellular technology has gained much importance due to its vast applications and benefits.
- The two most important cellular technologies are CDMA and GSM.
- Other examples are cellphones, cellular generations, and microcells along with GSM.
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