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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.
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
Q. What is Constructive Cost Model? COCOMO model denotes Constructive Cost Model. It is an empirical model basis on project experience. It is well-documented and independent mo
Draw ontext diagram
Q. Illustrate about System Testing? System Testing: This testing centred on validating the product with respect to software specification Document. Techniques as function testi
Explain Length of code This is a measure of the size of a program. Usually, the larger the size of the code of a component, the more difficult and error-prone that component is
Hardware and Software Requirements: The present versions of CDS/ISIS require the following minimum hardware and software: i) MS-DOS Version: an IBM PC or Compatible micro
Define Fan-in & Fan-out. Fan-out - A measure of the number of modules that are directly controlled by another module. Fan-in- Shows how many modules directly control a give
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Determine the Latest trend in software engineering Latest trend in software engineering includes the concepts of software reusability, reliability, scalabilityetc. More and mo
what is formal technical review?
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