For block codes _____ is necessary.

A. Phase synchronization
B. Frequency synchronization

C. Frame synchronization

D. None of the mentioned

Explanation: Frame synchronization is necessary when the information is organized in blocks or messages of some uniform number of symbols. Thus block code needs frame synchronization.

For block codes _____ is necessary. | Frame synchronization | CSS, PMS, PPSC, FPSC, KPPSC, SPSC, ISSB and NTS Past Papers | Pakistan's Largest Online Past Papers Database

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