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Write short notes on empirical estimation models.
Estimation model for computer software uses empirically derived formulas to expect effort as a function of line of codes (LOC) and function points (FP). The values of LOC and FP estimated are plugged into estimation model. The empirical data that support most guess models are derived from a limited sample of projects. So out comes obtained from models should be used judiciously. The model must be tested and compared with actual and assumed data
What are the types of Software system requirements ? Functional requirements: Services the system should be required. Non-functional requirements: Constraints on the servi
State the working of spiral model In spiral model, after every phase a review is performed regarding all products developed up to that point and plans are developed for the sub
Abstraction :- Abstraction allows one to concentrate on a problem at some level of generalization without regard to irrelevant low level details; use of abstraction also allows one
Software life cycle starts when a software product is first conceived and ends when it is no longer in use. It contains aspects such as initial concept, requirements analysis, inte
What is Version and release management? Invent an identification system for system versions. Plan when a new system version is to be formed. Ensure that version managemen
Q. Realistic approach to the development of large-scale systems? There are a number of advantages of Spiral model that makes it a realistic approach to development of large-sca
Q. What is Inheritance? Inheritance:- Inheritance is defined as the property of objects by which instances of a class can have access to data and programs contained in a previ
Explain Metrics assumptions of Software metrics Software metrics A software property can be calculated. The relationship exists among what we can measure and what we
Test methodology is up to the end client, and can be used, reused, and moulded to your end client's requirements. Rob Davis believes that using the right test methodology is signif
Explain the Throw away prototype In this technique, prototype is discarded once its purpose is fulfilled and final system is built from scratch. Prototype is built quickly t
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