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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 is a process oriented model. ER diagram represent data at rest whereas DFD tracks the motion of data.
ERD doesn't provide any information regarding functionality of data. It has 3 main components - data entities, their relationships and their associated attributes.
Level 2 (Repeatable) Organisation satisfies all the requirements of level-1. At this stage, basic project management policies and associated procedures are established. Insti
Write short note on black box testing. The black box testing is also known as behavioural testing. This process fully focuses on the functional requirements of the software. Te
Q What is a modular system? List the important properties of a modular system? Ans: A modular system consists of well-defined manageable units to well-defined interfaces among
QUESTION - RMI (a) Figure illustrates an RMI communication. Describe the role of each component in the RMI. (b) Explain the ter
Describe how to perform Risk Analysis during software testing. Whereas a test plan is being formed, risks involved in testing the product are to be taken into consideration al
How can we know about to divide numbers from total error from which half passed through error and half passed to amplified and how to generate defect efficiency?
what is meant by 345 rule in IEEE 802.3 ?
Define Brooks law. Software was delivered late, was defective, cost several times the original estimates and often showed poor performance characteristics.
What does Level0 DFD represent? Level0 DFD is known as 'fundamental system model' or 'context model'. In the context model the entire software system is shown by a single bubb
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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