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Digital signal processors have ____ functions to support high speed signal processing.

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Digital signal processors have ____ functions to support high speed signal processing.

(a) subtraction and accumulation

(b) division and subtraction

(c) addition and subtraction

(d) multiplication and accumulation

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This interesting question is from Computational Processing Resources in division Software Defined Radio Architecture of Cognitive Radio

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Right choice is (d) multiplication and accumulation

The explanation: The DSP internal architecture is optimized to perform multiplication and accumulation quickly. This is done with the help of one or more multiplier and one or more accumulators. The memory structure is designed to fetch operands and instructions in parallel.

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