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What is stepwise refinement?
Stepwise Refinement:-Stepwise Refinement is a top-down design method originally proposed by Niklaus Wirth. A program is developed by successively refining levels of procedural detail. A hierarchy is developed by decomposing a macroscopic statement of function in a stepwise fashion unless programming language statements are reached.
Equivalence class: -It shows a set of valid or invalid states for input conditions. An input condition is either a particular numeric value, a range of values, a set of related val
Q. Consider a project for which the manpower requirement is 200 PY and the development time is 2 years. calculate the peak manning time. Ans Software Project cost K=200 PY
What are the profits of vertical partitioning? i. These are very easy to maintain changes. ii. They decreased the change impact and error propagation.
Question: The activities in a project are given the PERT chart below: a) Identify all activity dependencies in the project. b) Clearly distinguish between critical
Describe the effect of defining a prototype on the overall cost of the software project? The prototyping model: In this model, a prototype (an previous approximation of a fin
Problem 1. Explain why the use of a standard high-level language does not guarantee that software will be portable across a range of machines 2. Draw possible data flow diag
1. Perform a requirements analysis for the Case Study. Express the results using the following artefacts: a. A use case diagram for the functional requirements of the entire
how many people work in your hotel?
Q. Compare and contrast reliability and availability? Ans. Reliability: The probability of failure-free system operation over a specified time in a given environment for a gi
Objectives of Data dictionaries:- 1) A standard definition of all terms in a system, that is every item of data is uniquely identified and described. 2) Easy cross-referen
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