Why is read and write control lines in a DMA controller bidirectional? — PYQDeck

PyQdeckBEU PYQ Archive Subjects

Back to the 2017 paper

Module 2: x86 Architecture, CPU Control, I/O, Memory System Design

201714m

Why is read and write control lines in a DMA controller bidirectional? Under what condition and for what purpose are they used as inputs?

Search Google Ask AI

Similar questions

COMPUTER ORGANIZATION & ARCHITECTUREHow does a DMA controller work? Explain with an example.201514m COMPUTER ORGANIZATION & ARCHITECTUREExplain the use of DMA controllers in a computer system with a neat diagram.201414m COMPUTER ORGANIZATION & ARCHITECTUREWith neat block diagram, explain how DMA controller is initialized for DMA data transfer.201614m COMPUTER ORGANIZATION & ARCHITECTUREDescribe different types of Input/Output transfers. Explain how data transfer takes place through DMA.202414m

PreviousExplain indirect address mode, and how the effective address is calculated in this case.NextExplain the concept of virtual memory with the help of a diagram. Explain how virtual address is mapped to actual physical address.