Video Conferencing MCQs
Video Conferencing MCQs Class 9
CBSE Class 9 Computer Science – MCQs with Answers & Explanations
Class: 9
Subject: Computer Science
Section: Digital Communication
Topic: Video Conferencing
Board: CBSE Board Examinations
Subject: Computer Science
Section: Digital Communication
Topic: Video Conferencing
Board: CBSE Board Examinations
These Multiple Choice Questions (MCQs) are designed strictly as per the NCERT syllabus, making them ideal for CBSE Class 9 Computer Science examination preparation.
Q1. Video conferencing is:
Answer: b) Face‑to‑face communication over internet
Explanation: It enables real‑time audio and video interaction between people at different locations.
Explanation: It enables real‑time audio and video interaction between people at different locations.
Q2. Video conferencing requires:
Answer: a) Internet connection
Explanation: Internet enables live data transmission.
Explanation: Internet enables live data transmission.
Q3. Hardware needed for video conferencing:
Answer: d) All of these
Explanation: Camera, mic, and audio output are essential.
Explanation: Camera, mic, and audio output are essential.
Q4. Example of video conferencing app:
Answer: a) Zoom
Explanation: Zoom enables virtual meetings.
Explanation: Zoom enables virtual meetings.
Q5. Video conferencing is useful for:
Answer: d) All of these
Explanation: It supports education, healthcare, and business.
Explanation: It supports education, healthcare, and business.
Q6. Real‑time communication means:
Answer: b) Instant interaction
Explanation: Participants communicate live.
Explanation: Participants communicate live.
Q7. Bandwidth affects:
Answer: a) Video quality
Explanation: Higher bandwidth improves clarity.
Explanation: Higher bandwidth improves clarity.
Q8. Screen sharing allows:
Answer: b) Showing screen content
Explanation: Useful for presentations and teaching.
Explanation: Useful for presentations and teaching.
Q9. Muting microphone helps:
Answer: a) Reduce noise
Explanation: Prevents background disturbance.
Explanation: Prevents background disturbance.
Q10. Virtual meeting means:
Answer: b) Online meeting
Explanation: Conducted through digital platforms.
Explanation: Conducted through digital platforms.
Q11. Recording feature is used to:
Answer: a) Save meeting
Explanation: Allows later review.
Explanation: Allows later review.
Q12. Chat option allows:
Answer: a) Text messaging
Explanation: Participants send written messages.
Explanation: Participants send written messages.
Q13. Video conferencing saves:
Answer: d) All of these
Explanation: Remote meetings reduce expenses.
Explanation: Remote meetings reduce expenses.
Q14. Webinar is:
Answer: a) Online seminar
Explanation: Conducted via video conferencing tools.
Explanation: Conducted via video conferencing tools.
Q15. Good lighting improves:
Answer: b) Video clarity
Explanation: Enhances visual quality.
Explanation: Enhances visual quality.
Q16. Background noise affects:
Answer: b) Audio quality
Explanation: Clear sound is essential.
Explanation: Clear sound is essential.
Q17. Host controls:
Answer: a) Meeting settings
Explanation: Host manages participants and permissions.
Explanation: Host manages participants and permissions.
Q18. Virtual background feature:
Answer: a) Changes background
Explanation: Adds privacy and professionalism.
Explanation: Adds privacy and professionalism.
Q19. Lag in video call occurs due to:
Answer: b) Poor connectivity
Explanation: Weak networks delay transmission.
Explanation: Weak networks delay transmission.
Q20. Main benefit of video conferencing:
Answer: a) Remote collaboration
Explanation: Enables teamwork from different locations.
Explanation: Enables teamwork from different locations.
