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Describe about the Environmental model
It indicates environment in which system exists. Any small or big system is a sub-system of a larger system. For illustration, if software is developed for a college, then college would be part of University. If it's developed for University, University will be part of national educational system. Hence, when model of the system is made these external interfaces are defined. These interfaces reflect system's relationship with external universe (known as environment). Environment of a college system is demonstrated in figure below.
Q. For the program given below, calculate the values of software science measures like ? , N, V, E and λ . int. sort (int x[], int n) { int i, j, save, im1; /
Differentiate between structured analysis and structured design. The aim of structured analysis is to transform the textual explanation of a problem into a graphic model. Duri
Throw-away prototyping Objective: The principal objective of this model is to validate or to derive the system needs. It is developed to decrease requirement risks.
When must a function throw an exception? A function must throw an exception when it's not able to fulfil its promise. As soon as function detects a problem which prevents it
Why software change occurs? Software change happens because of the following reasons. New needs emerge when the software is used. The business environment changes. Errors need
what is iterative and evolutionary developments? how iteration help in refining requirements
Q. Compute the McCobes cyclomatic complexity? (i) compute the McCobe's cyclomatic complexity (ii) Find out independent path Ans (i) Cyclomate complexity V (
What does data dictionary contains? Name: The primary name of the data. Alias: other names used Where-used/How-used: A record of processes that use the data or control it
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
Define debugging. Debugging is defined as the process of removal of defect. It occurs as a consequence of successful testing.
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