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Important Questions

Basics of Communication

Telangana Open School (TOSS) · Class 12 · Physics

Most important questions from Basics of Communication for Telangana Open School (TOSS) Class 12 Physics board exam 2026. MCQs, short answer, and long answer questions with marks.

44 questions30 flashcards4 concepts

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44 Questions·
multiple choicetrue falsemultiple correct

Sample Questions

1true false
1 marks

Analog signals vary continuously with time.

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True

Analog signals are defined as continuous variations of voltage or current with time.

2true false
1 marks

Digital signals can take only discrete stepwise values.

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True

Digital signals are characterized by discrete, stepwise values, unlike analog signals which are continuous.

3multiple choice
1 marks

What does PCM stand for in digital communication?

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Pulse Code Modulation

PCM stands for Pulse Code Modulation, a digital modulation technique used to convert analog signals into digital form.

4multiple choice
1 marks

The process of converting a modulated signal back to its original form is called:

Show answer

Demodulation

Demodulation is the process of extracting the original information-bearing signal from the modulated carrier wave.

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Frequently Asked Questions

What are the important topics in Basics of Communication for Telangana Open School (TOSS) Class 12 Physics?
Basics of Communication covers several key topics that are frequently asked in Telangana Open School (TOSS) Class 12 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Basics of Communication — Telangana Open School (TOSS) Class 12 Physics?
Understand the core concepts first, then work through the 44 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.
How many important questions are there in Basics of Communication?
There are 44 practice questions available for Basics of Communication. These cover multiple question types including MCQs, short answer, and long answer questions.

Sources & Official References

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

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