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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 is a process oriented model. ER diagram represent data at rest whereas DFD tracks the motion of data.
ERD doesn't provide any information regarding functionality of data. It has 3 main components - data entities, their relationships and their associated attributes.
What is Compatibility testing - It's a non-functional test performed on a software system or component for checking its compatibility with the other parts in computing environm
Explain Testability? Ans) (1) The degree to which a scheme or component facilitates the establishment of test criteria and the performance of tests to verify whether those crite
Q. What is Structure chart? A structure chart is a top-down modular design tool construct of squares representing the different modules in the system as well as lines that conn
What are the benefits of evolutionary prototyping? i. Fast release of the working system. ii. User is engaged while developing the system. iii. More functional system can
Data Flow Diagrams (DFD) It's a graphical representation of flow of data through a system. It pictures a system like a network of functional processes. The foundation of DFD i
Consider an 8-bit system with 32 memory locations (numbered from 0 to 31) and 8 different instructions. Assume op code for "Load Accumulator" instruction is 5 10 and for "Add" ins
Define KPAs level associated with maturity model KPAs are defined by SEI and associated with different maturity levels. These are described below: Level 1 KPAs : There is
Determine the various levels of testing The following are various levels of testing: Large systems are built out of subsystems which are made up of modules, modules of funct
What is Coverage analysis? Determining and assessing calculated associated with the invocation of program structural elements to verify the adequacy of a test run. Coverage anal
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
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