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Computer Science Engineering (CSE) Exam  >  Computer Science Engineering (CSE) Tests  >  Test: Codecs - Computer Science Engineering (CSE) MCQ

Test: Codecs - Computer Science Engineering (CSE) MCQ


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10 Questions MCQ Test - Test: Codecs

Test: Codecs for Computer Science Engineering (CSE) 2024 is part of Computer Science Engineering (CSE) preparation. The Test: Codecs questions and answers have been prepared according to the Computer Science Engineering (CSE) exam syllabus.The Test: Codecs MCQs are made for Computer Science Engineering (CSE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Codecs below.
Solutions of Test: Codecs questions in English are available as part of our course for Computer Science Engineering (CSE) & Test: Codecs solutions in Hindi for Computer Science Engineering (CSE) course. Download more important topics, notes, lectures and mock test series for Computer Science Engineering (CSE) Exam by signing up for free. Attempt Test: Codecs | 10 questions in 25 minutes | Mock test for Computer Science Engineering (CSE) preparation | Free important questions MCQ to study for Computer Science Engineering (CSE) Exam | Download free PDF with solutions
Test: Codecs - Question 1
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From which of the following words does codecs is derived?

Detailed Solution for Test: Codecs - 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 for Test: Codecs - 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 for Test: Codecs - 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 for Test: Codecs - 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?
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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 for Test: Codecs - 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 for Test: Codecs - 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 for Test: Codecs - 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 for Test: Codecs - 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 for Test: Codecs - 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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Important Questions for Codecs

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Codecs MCQs with Answers

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