Data Compression and Data Retrieval MCQs | Page - 6

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.

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Mr. Dubey • 100.69K Points
Coach

Q. A compression technique consists of two basic components such as

  • (A) Coding, Decoding
  • (B) Encoding , Coding
  • (C) Encoding , Decoding
  • (D) None of Above.
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M

Mr. Dubey • 100.69K Points
Coach

Q. Disadvantages of data compression

  • (A) The rate of input – output operations in a computing device can be greatly increased due to shorter presentation of data.
  • (B) Compressed, sensitive data transmitted through a noisy communication channel is risky because the burst errors introduced by the noisy channel can destroy the transmitted data.
  • (C) ---
  • (D) ---
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M

Mr. Dubey • 100.69K Points
Coach

Q. Example of entropy based compression is

  • (A) RLE , Arithmetic , Huffman
  • (B) Lempel-Ziv , Arithmetic
  • (C) ---
  • (D) ---
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M

Mr. Dubey • 100.69K Points
Coach

Q. Example of dictionary based compression is

  • (A) RLE , Arithmetic , Huffman
  • (B) Lempel-Ziv
  • (C) ---
  • (D) ---
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M

Mr. Dubey • 100.69K Points
Coach

Q. Huffman coding is to find a way to compress the storage of data using

  • (A) Data Length Codes.
  • (B) Variable Length Codes.
  • (C) ---
  • (D) ---
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M

Mr. Dubey • 100.69K Points
Coach

Q. The lempel ziv algorithm is an algorithm for

  • (A) Lossless data compression
  • (B) Lossy data compression
  • (C) ---
  • (D) ---
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M

Mr. Dubey • 100.69K Points
Coach

Q. Regardless of the length of the phrase, every LZSS pointer is of

  • (A) Different Size
  • (B) Same Size
  • (C) ---
  • (D) ---
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M

Mr. Dubey • 100.69K Points
Coach

Q. The decompression in LZ78 Is __compared to the process of compression.

  • (A) Slower
  • (B) Faster
  • (C) ---
  • (D) ---
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M

Mr. Dubey • 100.69K Points
Coach

Q. In arithmetic coding a ___identifier or tag is generated for the sequence to be encoded.

  • (A) Unique
  • (B) Different
  • (C) ---
  • (D) ---
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M

Mr. Dubey • 100.69K Points
Coach

Q. In file compression—unix once the dictionary has filled up, the size of the dictionary is ____to 1024 entries.

  • (A) Single
  • (B) Doubled
  • (C) ---
  • (D) ---
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