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University of Barishal

2nd Mid Exam

Course Title: Data Communication (CSE-2205)

Semester: 4th | Session: 20-21

Time: 60 minutes | Marks: 20.00

(Answer all of the following questions)

What is Nyquist Theorem?

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Topics: Nyquist Theorem Solution is Coming!

2 Marks

What is bit stuffing and byte stuffing? Explain with examples.

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Topics: N/A Solution is Coming!

4 Marks

In how many ways error can be controlled in a noisy channel? Explain one of them with a suitable example.

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Topics: N/A Solution is Coming!

5 Marks

What are the differences between circuit switching network and datagram network?

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2 Marks

How multilevel 8B6T line coding system provides self-synchronization and solve the DC components problem?

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3 Marks

What is QAM? Explain it with a suitable diagram.

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Topics: Digital-to-Analog Conversion Techniques , Quadrature Amplitude Modulation (QAM) Solution is Coming!

2 Marks

What is pulse stuffing? When does it need to use?

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Topics: N/A Solution is Coming!

2 Marks