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DMA data transfer
The position of the DMA controller between the other components in a computer system. The CPU communicates with the DMA by the address and data buses as with any interface unit. The DMA has its own address, which activates the DS and RS lines. The CPU initializes the DMA by the data bus. Once the DMA receives the start control command, it can start the transfer among the peripheral device and the memory.
What is meant by Information flow Continuity? When we refine a fundamental model for a system, the information flow continuity should be maintained .ie, input & output to each
How a prototype can be categorised 1. A paper prototype which is a model depicting human machine interaction in a form which makes user understand how such interaction, would
What is Validation represent? Validation means a set of deeds that ensure that the software that has been built to satisfy the customer requirements.
Explain the Phased Waterfall Model It is a type of waterfall model where the project is separated into small phases and delivered at intervals by dissimilar teams. Different Te
Write definition of ERD? Entity Relationship Diagram shows the graphical presentation of the object relationship pair. It is above all used in database applications.
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How can you create a file named -i? Which techniques do not work, and why do they not work? How can you remove the file named -i?
Methodology and system Functionality: High level views of the proposed system in terms of the requirements that will be supported by the proposed system in the context of busine
State Entity and relationship diagram. ERD depicts linkage between data objects. The ERD is the notation that is used to execute the data modelling activity. The primary
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