Discussion
Match the following :
| List-I | List-II |
|---|---|
| (a) Digital Filters | (i) More channels are accommodated |
| (b) Signal Processing | (ii) Slow speed of data transfer |
| (c) Time Division Mulplexing | (iii) Hardware techniques |
| (d) Frequency Division Multiplexing | (iv) Software techniques |
Answer: A
The matching is a-iv, b-iii, c-ii, d-i, as the key has it. Digital filters are realised by software techniques, as programs on a processor. Signal processing is paired with hardware techniques, the remaining choice in the list. Time division multiplexing sends the samples in turn, so it is the one with a slow speed of data transfer to each channel. Frequency division multiplexing places many channels in different frequency bands, so more channels are accommodated. Options (B), (C) and (D) place time division or frequency division on the wrong property. The pairing of signal processing with hardware techniques is loose, but the other three fix the answer.
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