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Home›Explore Exams›NEB +2› Grade 12›Subjects›Computer Science (Grade 12)

GyanMul Prep · NEB +2 · Grade 12

Computer Science (Grade 12)

Everything on these tabs is Computer Science (Grade 12) only, within NEB +2 Grade 12.

Grade 12 subjects

Chapters Questions Practice Quizzes Past Papers Institution Papers Mock Tests Solved Questions Progress Gurubaa

Chapters›Introduction to Data Communication

5

Chapter 5 of 26 · Computer Science (Grade 12)

Introduction to Data Communication

8 topics
Board exam — Data Communication and Networking, 9 marks across 5 chapters

The five pieces every communication needs, and the vocabulary — bandwidth, modes, signals — that the rest of the area is written in.

Topics

What the syllabus defines for this chapter

1Data communication: definition and its five components
2Sender, receiver, message, medium and protocol
3Analog and digital signals
4Transmission modes: simplex, half duplex and full duplex
5Serial and parallel transmission
6Synchronous and asynchronous transmission
7Bandwidth, bit rate, baud rate and throughput
8Modulation and demodulation; the role of a modem

Previous chapterSQL: Data Definition and Data Manipulation Next chapterTransmission Media