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Why software change occurs? Software change occurs because of the following reasons. New requirements appear when the software is used. The business atmosphere changes. E
Define Test Harness? Ans) A software tool that allows the testing of software components that links test capabilities to perform particular tests, accept program inputs, replica
Phone Company (WLPC) is a provider of wireless phone service in the US with 100,000 customers serving mostly small markets. WLPC has just purchased additional airwaves in the US, C
Explain about the E-R Diagram Entity-relationship (E-R) diagram is detailed logical representation of data for an organisation. It is data oriented model of a system while DFD
Explain Iterative Enhancement model Iterative Enhancement model: This model incorporates alters in the software based on the analysis of the existing system. Also the complet
Q. Differentiate between structured analysis and structured design? Ans. The aim of structured examination is to transform the textual description of a problem into a graphic
Determine the level 0 and level 1 of DFD External entities provide input data for processing. During processing, some intermediate data is generated. After final processing, fi
Q. Need of Output comparators? Output comparators These are used in dynamic testing-both single-module and multiple-module (system level) varieties to check that predicted an
Testing conducted to consider a system or component in its operational environment. Contrast with development, testing,; testing, acceptance;
Explain in detail about the real time systems. Hard and soft real time systems. Real time and high performance. Real-Time control. Real time software design P
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