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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 the advantage of Iterative Enhancement Model in developing a system?
Explain Control Structure Testing Ans) Due to basis path testing alone is insufficient, other methods should be utilized. Condition testing can be utilized to design test cas
State about the Data Dictionary This is another tool of requirement analysis that reduces complexity of DFD. A data dictionary is a catalog of all components of a system. DFD
an isolated metal sphere has a radius r. when charged to a potential v, the charge on sphere is q. 1- state an expression, in terms of r and q, for potential v of sphere.
system development life cycle security
What is Data Dictionary? Data dictionary is a storehouse of data giving information about data. It is a list of terms and their meaning for all data items and data files of a s
Problem : (a) What does a UseCase Diagram represent? (b) Draw a UseCase Diagram for the above case study. (c) For any one use case give a detail use case specification.
What are the advantages of using testing tools? The advantages of testing tools are: They get better the productivity and quality of software development. Help in i
Determine the process of Software Review - This is an evaluation technique which involves bringing together a group of technical personnel to analyze a software artifact to im
Q. Differentiate between iterative Enhancement Model and Evolutionary Development model. Ans. Iterative Enhancement Model: This model has the similar phases as the waterfall
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