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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.
Explain the Throw away prototype In this technique, prototype is discarded once its purpose is fulfilled and final system is built from scratch. Prototype is built quickly t
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Why Software maintenance is require Software maintenance is done due to the below factors. i) To rectify the errors which are encountered during the operation of software.
Define a software process. How do software myths affect a software process? Software process is a Coherent set of activities for specifying, designing, executing and testing so
Configuration Management: Because of several reasons, software changes during its life cycle. As a result of the changes made, many versions of the software exist at one time.
Explain Length of code This is a measure of the size of a program. Usually, the larger the size of the code of a component, the more difficult and error-prone that component is
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Q. Show the cost drivers used in COCOMO model? A variety of attributes of cost drivers used in COCOMO model are: 1. Physical attributes : These are worried with required
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
Discuss in detail about Structural Modeling. Structural model includes a detail refinement of ERD, data flow model and control flow model. Creating an ERD. For example
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