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Formula Sheet

Data Communication — Formula Sheet

Nagaland Board · Class 12 · Computer Science

5 formulas from Data Communication (Nagaland Board Class 12 Computer Science) on one page, grouped by topic. Covers Concept of Communication.

50 questions88 flashcards5 formulas & key relations5 concepts

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An illustration showing various computing devices (computer, printer, server, switch) connected to form a network, exchanging data over a communication medium.
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5 Entries · 1 Section

Formulas and Key Relations

Measuring Capacity of Communication Media

Bandwidth = range of frequencies available for transmission

Data transfer rate = number of bits transmitted per second

1 KHz = 1000 Hz; 1 MHz = 1000 KHz = 1000000 Hz

1 Kbps = 2^10 bps = 1024 bps; 1 Mbps = 2^20 bps = 1024 Kbps; 1 Gbps = 2^30 bps = 1024 Mbps; 1 Tbps = 2^40 bps = 1024 Gbps

Required data rate = (10 × 1600 × 8) / 20 = 6400 bps = 6.25 Kbps

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Frequently Asked Questions

What are the important topics in Data Communication for Nagaland Board Class 12 Computer Science?
Key topics in Data Communication include Concept of Communication and Components, Capacity of Communication Media, Types of Data Communication, Switching Techniques. Study these first, then practise questions on each for the Nagaland Board Class 12 board exam.
How many formulas are in Data Communication?
This sheet lists 5 formulas from Data Communication, grouped by topic. Learn what each symbol stands for so you can apply the formula, not just recall it.
How should I revise Data Communication for the Nagaland Board Class 12 board exam?
Learn the core ideas first, then work through the 50 practice questions on Data Communication. 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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All Nagaland Board Class 12 Computer Science Formula Sheet

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