Digital Communication MCQs Class 9
Digital Communication MCQs Class 9
CBSE Class 9 Computer Science – MCQs with Answers & Explanations
Class: 9
Subject: Computer Science
Section: Digital Communication
Topic: Digital Communication
Board: CBSE Board Examinations
Subject: Computer Science
Section: Digital Communication
Topic: Digital Communication
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. Digital communication means:
Answer: b) Communication using digital devices
Explanation: It involves exchange of information through computers, mobiles, and internet platforms.
Explanation: It involves exchange of information through computers, mobiles, and internet platforms.
Q2. Email stands for:
Answer: a) Electronic Mail
Explanation: Email is the digital method of sending messages via internet.
Explanation: Email is the digital method of sending messages via internet.
Q3. Video conferencing allows:
Answer: b) Face-to-face virtual meetings
Explanation: It enables real-time audio-video interaction over the internet.
Explanation: It enables real-time audio-video interaction over the internet.
Q4. Example of instant messaging app:
Answer: b) WhatsApp
Explanation: Instant messaging apps enable quick real-time text communication.
Explanation: Instant messaging apps enable quick real-time text communication.
Q5. SMS stands for:
Answer: a) Short Message Service
Explanation: SMS is a text messaging service via mobile networks.
Explanation: SMS is a text messaging service via mobile networks.
Q6. Social media is used for:
Answer: a) Networking
Explanation: It connects people globally for communication.
Explanation: It connects people globally for communication.
Q7. Attachment in email means:
Answer: b) File sent with mail
Explanation: Documents, images, etc. can be attached.
Explanation: Documents, images, etc. can be attached.
Q8. CC in email means:
Answer: a) Carbon Copy
Explanation: Sends a copy to additional recipients.
Explanation: Sends a copy to additional recipients.
Q9. BCC means:
Answer: a) Blind Carbon Copy
Explanation: Recipients remain hidden.
Explanation: Recipients remain hidden.
Q10. Blog is:
Answer: a) Online diary
Explanation: Blogs share ideas and information online.
Explanation: Blogs share ideas and information online.
Q11. Podcast is:
Answer: a) Audio broadcast
Explanation: Digital audio content shared online.
Explanation: Digital audio content shared online.
Q12. Netiquette applies to:
Answer: b) Online communication
Explanation: It governs digital behavior.
Explanation: It governs digital behavior.
Q13. Emojis help to:
Answer: b) Express emotions
Explanation: They add tone to text messages.
Explanation: They add tone to text messages.
Q14. Cloud communication uses:
Answer: b) Internet servers
Explanation: Data is shared via cloud platforms.
Explanation: Data is shared via cloud platforms.
Q15. Digital communication is:
Answer: b) Fast
Explanation: Information transfers instantly.
Explanation: Information transfers instantly.
Q16. VoIP means:
Answer: a) Voice over Internet Protocol
Explanation: Enables voice calls via internet.
Explanation: Enables voice calls via internet.
Q17. Webinar is:
Answer: a) Online seminar
Explanation: Conducted virtually.
Explanation: Conducted virtually.
Q18. Digital communication requires:
Answer: a) Internet
Explanation: Internet enables global connectivity.
Explanation: Internet enables global connectivity.
Q19. Advantage of digital communication:
Answer: c) Instant connectivity
Explanation: It connects people worldwide quickly.
Explanation: It connects people worldwide quickly.
Q20. Core of digital communication:
Answer: a) Information exchange
Explanation: It focuses on sharing data digitally.
Explanation: It focuses on sharing data digitally.
