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What is cycle stealing DMA operation?
Cycle Stealing: In this process, the DMA controller transfers one data word at a time, after which it must return control of the buses to the CPU. The CPU merely delays its operation for one memory cycle to permit the direct memory input/output transfer to 'Steal' one memory cycle.
Q. What is structured programming and why is it important? Ans. Structured programming is a term that was coined in the late 1960's to mean programming without using go to st
Explain the concept of Decision Tables Decision table models complex logic into precise yet compact way. A decision table lists causes and effects in a matrix. Every column
Q. Explain Equivalent size measure software metrics? Equivalent size measure:- Models makes no distinction between a new software and the portion being reused. The equivalent
Define process maturity. In recent years there has been a important emphasis on process maturity. The Software Engineering Institute. (SEI) has developed a comprehensive model
RAD Model Rapid Application Development Model is the part of incremental model. Achieves the high speed development using component based construction. Phases
What is the advantages of Iterative model This model is useful when less manpower is available for software development and release deadlines are tight. It's best suited for in
A Boolean graph connecting causes and effects. The graph is mainly a digital-logic circuit (a combinatorial logic network) by using a simpler notation than standard electronics not
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
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
Illustrate Evolutionary prototyping Objective: The main objective of this model is to show the working system to the end-user. Example-AI systems. Advantages
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