Computer Science · Telecommunications
Signalling used when dialling numbers from modern telephone/mobile devices is based on:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 1Bi-frequency Dialling
- 2Single Frequency Dialling
- 3Dual-Tone Multi-Frequency (DTMF) Dialling✓
- 4Pulse Dialling
Correct answer
Dual-Tone Multi-Frequency (DTMF) Dialling
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
👥
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Online Test Series
Start Free Mock Test →Preparing for Computer Science?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Chapter Practice
Practice Telecommunications MCQs →Want more practice questions on Telecommunications?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Computer Science · Telecommunications