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What does Level0 DFD represent?
Level0 DFD is known as 'fundamental system model' or 'context model'. In the context model the entire software system is shown by a single bubble with input and output shown by incoming and outgoing arrows.
Q. Discuss the problems faced during software maintenance? The most significant problem during maintenance is that before correcting or else modifying a program the programmer
Define Black box testing Black box testing Black-box test design care for the system as a "black-box", so it doesn't explicitly use knowledge of the internal structure. It ta
Present an evaluation of the current performance of your chosen company using ROCE, RI, EVA and SVA. (All figures employed should be up to date , clearly explained / justified an
Problem 1 . What is the purpose of Symbol Table? Write a brief note on various Data structures used in implementing Symbol Tables Stating Purpose Writing note on various D
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
What is stepwise refinement? Stepwise Refinement:- Stepwise Refinement is a top-down design method originally proposed by Niklaus Wirth. A program is developed by successively
I want minimum 100 words
Explain the types of software testing. Unit testing Integration testing System testing User-acceptance testing End-to-End testing Exception testing
Define the method of Direct changeover With this technique, old system is stopped and new system is used Straight away; - This method can be disastrous if new system fails
What are the aims of testing? i. Testing is a process of executing a program with the target of finding an error. ii. A good test case is one that has high possibilit
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