What is a Modem?

  1. Transistor
  2. Vacuum tube
  3. Modulating and demodulating device
  4. None of these

Answer (Detailed Solution Below)

Option 3 : Modulating and demodulating device
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Delhi Police Constable 2025 (Easy to Moderate) Full Test - 01
100 Qs. 100 Marks 90 Mins

Detailed Solution

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A modem (modulator-demodulator) is a network hardware device that modulates one or more carrier wave signals to encode digital information for transmission and demodulates signals to decode the transmitted information. The goal is to produce a signal that can be transmitted easily and decoded to reproduce the original digital data.

Latest Delhi Police Constable Updates

Last updated on May 26, 2025

-> Delhi Police Constable 2025 Recruitment Notification is expected in the months of July-September 2025.

-> 5293 Delhi Police Vacancies 2025 are expected to be out for the year, which will be distributed among the male and female candidates.

-> This Vacant posts will be under Group 'C' Non- Gazetted/Non- Ministerial Category. The age limit of the candidates should be 18 to 25 years of age.

-> A detailed 2025 Notification mentioning application dates, selection process, vacancy distribution will be announced soon on the official website.  

-> Candidates can also refer to the Delhi Police Constable Previous Year's Papers and Delhi Police Constable Mock Test to improve their preparation.

-> The selected candidates will get a salary range between Rs 21700- 69100. 

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