Step 1: Understanding the Concept:
This question tests knowledge of the different types of teleconferencing. Teleconferencing can be classified based on the mode of communication.
Step 2: Defining Types of Teleconferencing:
There are several types of teleconferencing based on the technology used:
• A. Audio Teleconferencing: Also known as a conference call.
_ _ _ _ Participants communicate using audio only, typically through a telephone or VoIP.
_ _ _ _ It is the simplest and most common type of teleconferencing.
• B. Video Teleconferencing: Participants can see and hear each other.
_ _ _ _ It uses video cameras and displays to transmit visual and audio signals.
• C. Computer Teleconferencing: Also known as web conferencing.
_ _ _ _ It uses computers and the internet to share data, documents, and applications in addition to audio and video.
_ _ _ _ This includes features like screen sharing, chat, and interactive whiteboards.
• D. Audiographics Teleconferencing: This combines audio with graphic elements.
_ _ _ _ Participants can share visual information (e.g., slides, charts, diagrams) along with audio.
_ _ _ _ This is often used in educational and training settings.
Step 3: Analyzing the Options:
All the options (A, B, C, and D) are valid types of teleconferencing.
Therefore, the correct answer includes all of them.
Step 4: Final Answer:
All A, B, C, and D are types of teleconferencing. Therefore, option (D) is correct.