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Question 40Asked in UGC NET Computer Science, June 2016 (Paper II & III, Selected Questions)

Match the following: A. Line coding

Match the following: A. Line coding B. Block coding C. Scrambling D. Pulse code modulation i. A technique to change analog signal to digital data ii. Provides synchronization without increasing number of bits iii. Process of converting digital data to digital signal iv. Provides redundancy to ensure synchronization and inherits error detection Code: A B C D
  1. A(iv) (iii) (ii) (i)
  2. B(iii) (iv) (ii) (i)
  3. C(i) (iii) (ii) (iv)
  4. D(ii) (i) (iv) (iii)
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Correct answer: (B) (iii) (iv) (ii) (i)

Explanation

(A) Line coding is the process of converting digital data into a digital signal – (iii). (B) Block coding provides redundancy to ensure synchronization and inherent error detection – (iv). (C) Scrambling provides synchronization without increasing the number of bits – (ii). (D) Pulse code modulation (PCM) is a technique to change an analog signal to digital data – (i).

From UGC NET Computer Science PYQ, June 2016 (Paper II & III, Selected Questions)

This is question 40 of UGC NET Computer Science PYQ, June 2016 (Paper II & III, Selected Questions). See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.