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151. Which of the following is Lossless Data Compression Algorithms?
a. LZ77
b. LZR
c. DEFLATE
d. All of the above
Discuss
Answer: (d).All of the above
152. Lossy compression reduces bits by removing unnecessary or less important information.
a. True
b. False
c. May be True or False
d. Can't Say
Discuss
Answer: (a).True
153. Which of the following is true about LempelZivWelch (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
Discuss
Answer: (b).Used by GIF images and Unix's compress utility
154. Which of the following algorithms has very high compression ratio, used by 7zip and xz?
a. LZSS
b. LZO
c. LZMA
d. LZW
Discuss
Answer: (c).LZMA
155. Uncompressed video requires a ________ data rate.
a. high
b. low
c. medium
d. very high
Discuss
Answer: (d).very high
156. Which of the following is not a audio compression algorithms?
a. ALAC
b. DST
c. JSAC
d. OSQ
Discuss
Answer: (c).JSAC
157. Lossyimage compressionis used indigital cameras, to increase storage capacities.
a. True
b. False
c. May be True or False
d. Can't Say
Discuss
Answer: (a).True

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