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Que. Match the following:

(a) Line coding                         (i) A technique to change analog signal to digital data.
(b) Block coding                       (ii) Provides synchronization without increasing
number of bits
(c) Scrambling                          (iii) Process of converting digital data to digital signal.
(d) Pulse code modulation    (iv) Provides redundancy to ensure synchronization
and inherits error detection.

Codes:
      (a)   (b)   (c)   (d)
a. (iv)  (iii)   (ii)   (i)
b. (iii)  (iv)   (ii)   (i)
c. (i)    (iii)   (ii)   (iv)
d. (ii)   (i)    (iv)   (iii)
Answer:(iii)  (iv)   (ii)   (i)
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