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प्रश्न
Briefly explain the generations in Mobile technologies.
स्पष्ट कीजिए
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उत्तर
1G: Introduced in the late 1970s and early 1980s; used analog cellular technology and mainly supported voice calls.
2G: Introduced in the early 1990s; used digital signals and enabled services such as SMS, paging, voicemail and fax.
3G: Added multimedia and internet-style services, including video calling and streaming. It supports both packet-switched and circuit-switched data.
4G: Uses packet switching and provides faster data transmission, supporting high-quality images and video links.
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