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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.
Write short notes on estimation models. Empirical estimation models can be used to complement decomposition methods and propose a potentially valuable approach in their own rig
What is the value of a testing group? How do you justify your work and budget? Testing is a method used for revealing defects in s/w and for establishing that the s/w has attai
Question: (a) Differences between programme managers and project managers. (b) A small computer system controls the entry of vehicles to a car park. Each time a vehicle pu
What is Software failure? Software failure happens when the software does not do what the user wants to see.
Q. Why we need restructuring techniques? The restructuring helps in maintaining a program in the following ways: (a) Programs have higher excellence better documentation l
How to handle concurrency: Mechanisms Locks Semaphores Monitors Synchronized methods Methods Deadlock avoidance Verification Sim
Name the types of debugging techniques used in Software testing. various debugging techniques are:- 1) Core dumps 2) Traces 3) Print statements 4) Debugging pr
What is Up time? "Up time" is the time period when a method is operational and in service. Up time is the sum of idle time and busy time.
Write short note on black box testing. The black box testing is also known as behavioural testing. This method fully focuses on the functional needs of the software. Tests are
What is Process and product quality? The quality of a developed product is influenced by the quality of the production process. This is significant in software development
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