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Data Compression and Data Retrieval MCQs | Page - 1

Dear candidates you will find MCQ questions of Data Compression and Data Retrieval here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.

Q. 1) Makes the file smaller by deleting parts of the file permanently (forever)

(A) Lossy Compression
(B) Lossless Compression
(C) ---
(D) ---
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Q. 2) Which of these is an advantage for Lossy compression?

(A) The file size becomes significantly (much) smaller
(B) The file size does not become much smaller than 50%
(C) ---
(D) ---
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Q. 3) Which of the following would not be suitable for Lossy Compression?

(A) Images
(B) Sounds
(C) Videos
(D) Text
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Q. 4) Lossy or lossless? This type of compression does not get rid of any data

(A) Lossy
(B) Lossless
(C) ---
(D) ---
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Q. 5) Lossy or lossless? Used for web images as it gives the smallest file size - this makes images easier to upload/download/share.

(A) Lossy
(B) Lossless
(C) ---
(D) ---
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Q. 6) What type of compression allows you to reconstruct the original data?

(A) Lossless compression
(B) Lossy compression
(C) ---
(D) ---
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Q. 7) What are the key reasons for compressing data?

(A) Less space needed for storage
(B) Less time to transmit
(C) Reduced amount of processing power
(D) A and b
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Q. 8) Lossless compression...

(A) Is used when not all the information is needed
(B) Would be a sensible choice for a music download site
(C) Can fully regenerate the original file
(D) a and c
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Q. 9) Lossy compression...

(A) Permanently removes data from a file
(B) Aims to remove redundant data
(C) Would be a sensible choice for a music download site.
(D) all of the above
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Q. 10) Dictionary based compression...

(A) Is a lossless compression format
(B) Doesn't need to send the dictionary with the data
(C) Is a lossless compression format
(D) all of the above
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