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Media and Communication Technology — NCERT Solutions

CBSE · Class 11 · Home Science

NCERT Solutions for Media and Communication Technology, CBSE Class 11 Home Science: 5 textbook questions solved step by step.

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Review Questions — Media and Communication Technology (Class XI, Home Science Part I)

1What do you understand by the term communication? What are the various modes of verbal and non-verbal communication?Show solution

Given / What is asked: Define communication and describe its verbal and non-verbal modes.

Concept: Communication is the process of sharing information, ideas, feelings, or thoughts between a sender and a receiver so that the message is understood.

Answer:

Definition of Communication:
Communication is a two-way process of transmitting and receiving messages (information, ideas, emotions, or attitudes) between two or more individuals or groups. It is complete only when the receiver understands the message as intended by the sender.

Modes of Communication:

A. Verbal Communication — uses words (spoken or written):

  1. Oral/Spoken Communication: Face-to-face conversation, telephone calls, speeches, radio broadcasts, lectures, interviews.
  2. Written Communication: Letters, books, newspapers, e-mails, text messages, reports, notices.

B. Non-Verbal Communication — conveys meaning without words:

  1. Kinesics (Body Language): Gestures, facial expressions, posture, eye contact, and movements. For example, a smile conveys happiness.
  2. Paralanguage: Tone, pitch, speed, and volume of voice that add meaning to spoken words.
  3. Proxemics: Use of physical space and distance between communicators (e.g., standing close indicates intimacy).
  4. Haptics: Communication through touch (e.g., a handshake, a pat on the back).
  5. Appearance and Dress: Clothing, grooming, and physical appearance send social and cultural messages.
  6. Silence: Deliberate silence can communicate agreement, disapproval, or contemplation.
  7. Visual Symbols: Signs, pictures, colours, and symbols (e.g., a red traffic light means stop).

Conclusion: Both verbal and non-verbal modes complement each other to make communication effective and complete.

2Explain the process of communication with the help of an example.Show solution

Given / What is asked: Explain the process (elements/steps) of communication using an example.

Concept: Communication is a systematic process involving several interrelated elements that work together to transfer a message from sender to receiver.

Elements of the Communication Process:

ElementMeaning
Sender (Source)The person who initiates the message
EncodingConverting the idea into words, symbols, or gestures
MessageThe actual content/information to be conveyed
Channel/MediumThe path through which the message travels (e.g., air, telephone, print)
ReceiverThe person who receives the message
DecodingThe receiver interprets and understands the message
FeedbackThe receiver's response, confirming the message was understood
Noise/BarrierAny disturbance that distorts the message

Diagrammatic Representation:
Sender→Encoding→Message→ChannelDecoding→Receiver→Feedback\text{Sender} \rightarrow \text{Encoding} \rightarrow \text{Message} \xrightarrow{\text{Channel}} \text{Decoding} \rightarrow \text{Receiver} \rightarrow \text{Feedback}

Example:
A teacher (sender) wants to explain the concept of nutrition to students. She encodes her idea into spoken words and diagrams (encoding). She delivers the lecture in the classroom using her voice and a blackboard (channel/medium). The students listen and look at the diagrams (decoding). At the end, the teacher asks a question and the students answer correctly (feedback), confirming that the message was received and understood. If there is noise in the classroom, it acts as a barrier.

Conclusion: The communication process is cyclical — it begins with the sender and is complete only when meaningful feedback is received, confirming mutual understanding.

3"The more the number of senses involved in the communication process, the more effective and sustainable is the communication". Write your comments with justification.Show solution

Given / What is asked: Comment on and justify the statement that involving more senses makes communication more effective and sustainable.

My Comment: I agree with this statement. The involvement of multiple senses (sight, hearing, touch, smell, taste) in the communication process significantly enhances understanding, retention, and long-term recall of the message.

Justification with Reasoning:

1. Multi-Sensory Learning Enhances Retention:
Research in educational psychology shows that people remember:

  • 10%10\% of what they read
  • 20%20\% of what they hear
  • 30%30\% of what they see
  • 50%50\% of what they see and hear together
  • 70%70\% of what they say and write
  • 90%90\% of what they do (hands-on experience)

This clearly shows that as more senses are engaged, retention increases.

2. Examples from Daily Life:

  • A cooking demonstration (sight + smell + taste + touch) is far more effective in teaching a recipe than merely reading it from a book (only sight).
  • A science experiment in a laboratory (sight + touch + smell) is better understood and remembered than a lecture alone.
  • A health education programme using posters, role-play, and discussion (sight + hearing + action) reaches the audience more effectively than a pamphlet alone.

3. Reduces Misunderstanding:
When multiple senses are involved, the chances of misinterpretation are reduced because the message is reinforced through different channels simultaneously.

4. Caters to Different Learning Styles:
Different individuals learn better through different senses — visual learners, auditory learners, and kinaesthetic learners. Multi-sensory communication caters to all types.

5. Sustainability of Communication:
Messages received through multiple senses create stronger memory traces in the brain, making the learning more durable and sustainable over time.

Conclusion: The statement is well-founded. Effective communicators — teachers, health workers, media professionals — should deliberately design messages that engage as many senses as possible to ensure the message is not only received but also retained and acted upon.

4How does media affect our day-to-day life? Enumerate the different types of media.

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5How is the term communication technologies defined? Discuss two important communication technologies that have brought a revolution in the communication arena, giving justification for your answer.

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Frequently Asked Questions

What are the important topics in Media and Communication Technology for CBSE Class 11 Home Science?
Key topics in Media and Communication Technology include Meaning of Communication, Classification of Communication, Process of Communication and the SMCRE Model, Media and Its Functions. Study these first, then practise questions on each for Class 11 exams.
Are these NCERT Solutions for Media and Communication Technology free?
The first 3 of the 5 solutions on this page are open to read. The other 2 are free with a Super Tutor account — signing up is free and needs no card.
How should I revise Media and Communication Technology for Class 11 exams?
Learn the core ideas first, then work through the 55 practice questions on Media and Communication Technology. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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