Data Compression and Data Retrieval MCQs with answers Page - 3

Here, you will find a collection of MCQ questions on Data Compression and Data Retrieval. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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Admin • 802.91K Points
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Q. A huffman encoder takes a set of characters with fixed length and produces a set of characters of

  • (A) Constant Length
  • (B) Random Length
  • (C) Fixed Length
  • (D) Variable Length

A

Admin • 802.91K Points
Coach

Q. A Huffman Code: A = 1, B = 000, C = 001, D = 01, P(A) = 0.4, P(B) = 0.1, P(C) = 0.2, P(D) = 0.3 The Average Number Of Bits Per Letter Is

  • (A) 8.0 Bit
  • (B) 2.0 Bit
  • (C) 2.1 Bit
  • (D) 1.9 Bit

A

Admin • 802.91K Points
Coach

Q. The idea with wavelets is to represent a complicated function by

  • (A) Sinus Functions
  • (B) Simple Basic Functions
  • (C) Lines
  • (D) Square Functions

A

Admin • 802.91K Points
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Q. Down sampling is to make a digital image file smaller by

  • (A) Removing noise
  • (B) Adding noise
  • (C) Removing pixels
  • (D) Adding pixels

A

Admin • 802.91K Points
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Q. In a typical picture, most pixels will be

  • (A) Very similar to their neighbors
  • (B) Very different to their neighbors
  • (C) Bright
  • (D) Equal

A

Admin • 802.91K Points
Coach

Q. Without losing quality, JPEG-2000 can achieve compression ratios of

  • (A) 2000:1
  • (B) 20:1
  • (C) 200:1
  • (D) 2:1

A

Admin • 802.91K Points
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Q. The best visual compression quality is achieved using

  • (A) Dolby
  • (B) Wavelets
  • (C) Fourier transform
  • (D) DCT

A

Admin • 802.91K Points
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Q. In the coding redundancy technique we use

  • (A) Fixed Length Code
  • (B) Variable Length Code
  • (C) Byte
  • (D) Both A And B

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