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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 advantages of Software maintenance Software maintenance is a very broad activity which includes error correction, deletion of obsolete capabilities, enhancement of
how 94 calculated
What are the objectives of Analysis modeling? i. To explain what the customer needs. ii. To establish a basis for the creation of software design. iii. To devise a set of
Bottom-up integration This testing starts construction and testing with the components at the lowest levels in the program structure.
Define Requirement Engineering. Requirement Engineering is a process that includes all of the activities needed to create and maintain a system requirements document. The fo
system design goals
Define the term "software architecture." The software architecture of a program or a computing system is the basic structure of the system, which comprises software components
Explain in detail about data modeling Data modeling creates use of the ERD. Having of 3 interrelated information. The data object. Relationships. Attributes
Q. How can we use Spiral model in large-scale systems? Spiral model is as well known as spiral life cycle model is the system development life cycle model utilized in informati
Write the steps followed in testing? i. Unit testing - The individual components are tested in this type of testing. ii. Module testing - Related collection of independent c
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