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What is meant by Data dictionary? The Data dictionary is a prepared listing of all data elements that are pertinent to the system, with precise, rigorous explanations so that b
explain why older data models are being replaced by new data models.
What is Requirements Engineering Requirements engineering is systematic use of proven techniques, principles and language tools for cost effective analysis, on-going evaluatio
How can a company improve quality of business information?
Write definition of state transition diagram? State transition diagram is mainly a collection of states and events. Due to the events the system has to change its state. It als
Define the process of Requirements Gathering Tools Requirements gathering is an art. Person who gathers requirements must have knowledge of what and when to gather information
Explain about the E-R Diagram Entity-relationship (E-R) diagram is detailed logical representation of data for an organisation. It is data oriented model of a system while DFD
QUESTION (a) Compare and contrast between Project logic evaluation (PLE), Networking and Scheduling (b) Discuss how the true cost of defects can often be higher than the ini
Alpha testing and Beta testing Alpha testing is conducting acceptance testing in the environment where the application was formed. It is done by the customer. Beta testing is c
What is boundary data- Test data Extreme/boundary data - This is data at the limits of validity/acceptability (for instance, if a date is being input, two values at the
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