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LosslessMCQ

Authored by KartickChandra Mondal

Computers

University

Used 1+ times

LosslessMCQ
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43 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is lossless image compression?

A method that reduces file size without loss of data
A method that removes unnecessary pixels
A method that reduces color depth
A method that converts images to grayscale

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which of the following is a lossless compression technique?

JPEG
Huffman Coding
Wavelet Compression
Transform Coding

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which of the following is NOT a lossless compression technique?

Run-length coding
Huffman coding
Arithmetic coding
JPEG

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Entropy in information theory measures

Data redundancy
Data compression ratio
Information content
Storage capacity

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which of the following is a property of lossless compression?

Irreversible data loss
Higher compression ratio than lossy compression
Data is perfectly reconstructed
Requires more storage space than original

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Run-length encoding is most effective for

Text files
Random data
Images with large homogeneous areas
Audio files

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

In Huffman coding, shorter codes are assigned to

Less frequent symbols
More frequent symbols
Symbols with higher ASCII values
Symbols with lower ASCII values

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