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What does Level0 DFD means?
Level0 DFD is called as 'fundamental system model' or 'context model'. In the context model the total software system is represented by a single bubble with input and output indicated by incoming and outgoing arrows.
What are 5 common problems in software development process? 1. Bad requirements - These requirements are unclear, too general, incomplete, or not testable. They cause problem
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What are the various types of system testing? 1. Recovery testing - is intended to check the system's ability to recover from failures. 2. Security testing - verifies th
Question 1: We have a small system with a call graph as given below. Consider that each vertex is a module. All modules are new (i.e., n = n0) Also consider that the number of
Discuss in details about Functional Modeling. This model describes the computations that take part within a system. This model is helpful when the conversion from the inp
Q. Design black box test suits for a function that checks whether a character or string upto ten characters in a palindrome? Ans Following may be the test cases: - Try wit
What is requirement engineering? Requirement engineering is the process of establishing the services that the customer needs from the system and the constraints under which it
Product Engineering The Product engineering which is also called system engineering is a problem solving activity. To function, desired product data, and behaviour are uncovere
Software Project Management 1. What is black box and white box testing techniques? 2. Describe different roles of the software development? 3. List out different project
What is regression testing? Regression testing is the re-execution of some subject texts that have already been conducted to make sure that changes have not propagated unintend
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