Match List I with List II

LIST - I

LIST - II

A.

CDMA

I.

It provides mobile internet connection with faster data transfer rates

B.

GSM

II.

It allows users to connect to a network or to other devices over wireless channel

C.

UMTS 

III.

Accessing mechanism for multiple transmitters over a single channel

D.

WiFi

IV.

It is cellular technology employs hybrid of FDMA and TDMA


Choose the correct answer from the options given below:

This question was previously asked in
UGC NET Computer Science (Paper 2) 11 March 2023 Official Paper
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  1. A - III, B - IV, C - II, D - I
  2. A - III, B - IV, C - I, D - II
  3. A - II, B - III, C - IV, D - I
  4. A - II, B - I, C - IV, D - III

Answer (Detailed Solution Below)

Option 2 : A - III, B - IV, C - I, D - II
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Detailed Solution

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The correct answer is A - III, B - IV, C - I, D - II

Key Points

         A. CDMA - III. Accessing mechanism for multiple transmitters over a single channel

         B. GSM - IV. It is cellular technology employs hybrid of FDMA and TDMA

         C. UMTS - I. It provides mobile internet connection with faster data transfer rates

         D. WiFi - II. It allows users to connect to a network or to other devices over wireless channel

The correct answer is : A – III, B – IV, C – I, D – II

Additional Information

  • CDMA (Code Division Multiple Access): This cellular technology uses a spread spectrum technique, enabling multiple users to share a single frequency channel. Its primary purpose is to provide mobile voice and data services.
  • GSM (Global System for Mobile Communications): GSM is a digital cellular technology that helps devices connect to the internet.
  • UMTS (Universal Mobile Telecommunications System): This is a 3G cellular technology providing faster data transfer rates than GSM.
  • Wi-Fi (Wireless Fidelity): Wi-Fi is a wireless networking technology that permits devices to connect to the internet or to each other over a short distance.
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