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Computer Science Engineering (CSE) Exam  >  Computer Science Engineering (CSE) Test  >  Embedded Systems (Web)  >  Test: Codecs - Computer Science Engineering (CSE) MCQ

Codecs - Free MCQ Practice Test with solutions, GATE CSE (CSE) Embedded


MCQ Practice Test & Solutions: Test: Codecs (10 Questions)

You can prepare effectively for Computer Science Engineering (CSE) Embedded Systems (Web) with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Test: Codecs". These 10 questions have been designed by the experts with the latest curriculum of Computer Science Engineering (CSE) 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 25 minutes
  • - Number of Questions: 10

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Test: Codecs - Question 1
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From which of the following words does codecs is derived?

Detailed Solution: Question 1

Explanation: The codec is derived coder-decoder and is coupled coupled to perform the coding. It can support both analogue to digital conversion and digital to analogue conversion.

Test: Codecs - Question 2
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 Which codec is used in digital audio?

Detailed Solution: Question 2

Explanation: In the linear codec, the relationship between the analogue and digital values are linear. This method is commonly used in digital audio communication.

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Test: Codecs - Question 3
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 Which of the following have a same quantisation step throughout the range?

Detailed Solution: Question 3

Explanation: The quantisation step is same throughout the dynamic range in the linear codec and thus any increase in the analogue value increases the digital value, that is, the overall performance is linear.

Test: Codecs - Question 4
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Which is used in the telecommunication applications which has a limited bandwidth of 300 to 3100 HZ?

Detailed Solution: Question 4

Explanation: The logarithmic codec is frequently used in the telecommunication system which have a limited bandwidth of 300 to 3100 Hz. this can provide an 8-bit sample at 8 KHz,which are used in the telephones. The commonly used are A-law and µ-law.

Test: Codecs - Question 5
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 Which codec is used in UK?

Detailed Solution: Question 5

Explanation: The a-law is a logarithmic codec which is commonly used in UK whereas µ-law is used in US.

Test: Codecs - Question 6
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What does PCM stand for?

Detailed Solution: Question 6

Explanation: The linear codec is also known as pulse code modulation which is commonly used in the telecommunications industry.

Test: Codecs - Question 7
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 Which of the following conversion is performed by using a lookup table?

Detailed Solution: Question 7

Explanation: The conversion between a-law/µ-law and a linear digital signal or between µ-law and a-law is performed by a lookup table.

Test: Codecs - Question 8
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 What does DPCM stand for?

Detailed Solution: Question 8

Explanation: The differential pulse code modulation is similar to pulse code modulation, but DPCM uses an encoded value which is the difference between the current and the previous sample.

Test: Codecs - Question 9
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Which of the following have a 16-bit digital dynamic range?

Detailed Solution: Question 9

Explanation: The differential pulse code modulation can improve the accuracy and resolution by having a 16-bit dynamic range. It works by the increasing dynamic range.

Test: Codecs - Question 10
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 How many types of logarithmic codecs are used commonly?

Detailed Solution: Question 10

Explanation: There are two types of logarithmic codec which are commonly used. They are a-law which is used in UK and µ-law codec which is used in US.

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About this Computer Science Engineering (CSE) Practice Test

This test contains 10 MCQs on Codecs with detailed solutions for each question. It is part of the Embedded Systems (Web) course on EduRev, designed to align with the current Computer Science Engineering (CSE) syllabus. Each solution explains not just the correct answer but also gives you an understanding of the topic — not just to attempt the question but also help you prepare for the exam with practice.

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