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Justify the term "Software is engineered"
Software is engineered not manufactured. Although some similarities exit among software development and hardware manufacture, the two activities are fundamentally dissimilar. Both activities are dependent on people, but the relationship among people applied and work accomplished is entirely dissimilar. Both activities needs the construction of a "Product" but the approaches are different'.
Q. Differentiate between object oriented and function oriented design. Ans: • Function-oriented design depend on identifying functions which transform their inputs to create
Symbols of a data flow diagram 1. Data Flow Signifies the connectivity between various processes 2. Process Performs some processing of input data 3. Ex
Explain virtual memory? Ans) Virtual memory tells to virtual storage. In virtual storage, portions of a user's program and data are placed in auxiliary storage, and the operatin
What are the elements of Analysis model? i. Data Dictionary ii. Data Flow Diagram iii. Entity Relationship Diagram iv. State Transition Diagram v. Process specifica
Define Brooks law. Software was delivered late, was defective, cost several times the original estimates and often showed poor performance characteristics.
Why testing is important with respect to software? A testing process focuses on logical internals of software ensuring that all statements have been tested and all are function
What are white-box, black-box and gray-box testing? White Box (or glass box) testing is the METHOD of giving i/p to the system and checking how the system processes i/p to prod
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
Automated testing is a formally specified and controlled method of formal testing approach. or That part of software testing that is assisted with software tool(s) that does
1. "Variable trace" is a (computer) record of the names and the values of variables accessed and/or changed during the implementation of a computer program. 2. "Value trace" is
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