Class 12 Computer Science — Chapter 11: Data Communication
Free AI tutor + NCERT notes for Chapter 11: Data Communication. 6 topics covered. Ask any question by voice or text in Hindi or English.
What you'll learn
- ▸Concept of Data Communication
- ▸Components of Data Communication
- ▸Measuring Communication Capacity
- ▸Types of Data Communication
- ▸Switching Techniques
- ▸Transmission Media
Chapter Summary
--- PAGE 1 --- Chapter 11 Data Communication “People already have bionic arms and legs that work by the power of thought. And we increasingly outsource mental and communicative activities to computers. We are merging with our smartphones. Very soon, they will just be part of the body” — Yuval Noah Harari In this Chapter » Concept of Communication » Components of Data Communication » Measuring Capacity of Communication Media » Types of Data Communication » Switching Techniques » Transmission Media » Mobile Telecommunication Technologies » Protocol 11.1 CONCEPT OF COMMUNICATION The term "Data Communication" comprises two words: Data and Communication. Data can be any text, image, audio, video, and multimedia files. Communication is an act of sending or receiving data. Thus, data communication refers to the exchange of data between two or more networked or connected devices. These devices must be capable of sending and receiving data over a …
Practice Questions from this Chapter
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- Explain network protocols simply. Get Solution →
- Compare wired and wireless connections. Get Solution →
- Illustrate a data packet's journey. Get Solution →
- What does data communication refer to? Get Solution →
- Which of the following is one of the five essential components of data communication? Get Solution →
- What is the path through which a message travels between a source and destination called? Get Solution →
- In data communication, what is the term for a set of rules that communicating parties must follow? Get Solution →
- What is the standard unit of measurement for bandwidth? Get Solution →
Did you know?
- 💡 The internet travels mostly through physical cables laid on ocean floors.
- 💡 Early computers communicated using punch cards with holes for data.
- 💡 Ancient signal fires sent messages across hills much faster than a person could run.
- 💡 Human brains communicate with electrical signals faster than any computer network.
- 💡 Morse code uses just dots and dashes to send messages across long distances.
Frequently Asked Questions
How many topics are covered in this chapter?
This chapter covers 6 key topics: Concept of Data Communication, Components of Data Communication, Measuring Communication Capacity, Types of Data Communication, Switching Techniques, and more. The BrainWeave AI tutor explains each one with examples.
Is Chapter 11: Data Communication important for board exams?
Yes — Class 12 is a CBSE board exam year, and every NCERT chapter is part of the syllabus. Use BrainWeave's AI tutor to master this chapter, then practice with the auto-generated quizzes and mind maps.
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