Question

Which of the following is not a type of digital-interconnect?

(a) DSP

(b) Dedicated interconnect

(c) Wideband bus

(d) Shared memory

I had been asked this question in an international level competition.

Asked question is from Digital Architecture Tradeoffs in portion Technology Tradeoffs in Software Defined Radio of Cognitive Radio

Answer 1

The correct answer is (a) DSP

Best explanation: Dedicated interconnect, wideband bus and shared memory are different types of available digital-interconnect. In dedicated interconnect, the vendor of a board provides a suitable interconnect. Shared memory reserves a block of memory for communication. The performance of shared memory can be enhanced by operating with programmable Direct Memory Access (DMA) or equivalent hardware.