Data Compression MCQ Questions And Answers

Data Compression MCQs : This section focuses on "Data Compression" in Data Structure. These Multiple Choice Questions (MCQ) should be practiced to improve the Data Structure skills required for various interviews (campus interviews, walk-in interviews, company interviews), placements, entrance exams and other competitive examinations.

1. _______ is the process of encoding information using fewer bits than the original representation

A. Data loss
B. Data compression
C. Data transmit
D. Data gain

View Answer


2. How many types of compression there?

A. 4
B. 3
C. 2
D. 5

View Answer


3. Which compression loses data?

A. Lossy compression
B. Lossless compression
C. Both A and B
D. None of the above

View Answer


4. Which of the following is Lossless Data Compression Algorithms?

A. LZ77
B. LZR
C. DEFLATE
D. All of the above

View Answer


5. Lossy compression reduces bits by removing unnecessary or less important information

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

View Answer


6. Which of the following is true about Lempel–Ziv–Welch (LZW) algorithm?

A. Optimized for compressing plain text
B. Used by GIF images and Unix's compress utility
C. Used by WinRAR in tandem with Huffman coding
D. used by ZIP, gzip, and PNG images

View Answer


7. Which of the following algorithms has very high compression ratio, used by 7zip and xz?

A. LZSS
B. LZO
C. LZMA
D. LZW

View Answer


8. Uncompressed video requires a ________ data rate.

A. high
B. low
C. medium
D. very high

View Answer


9. Which of the following is not a audio compression algorithms?

A. ALAC
B. DST
C. JSAC
D. OSQ

View Answer


10. Lossy image compression is used in digital cameras, to increase storage capacities

A. Yes
B. No
C. Can be yes or no
D. Can not say

View Answer





Discussion


* You must be logged in to add comment.