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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.
How do you differentiate the roles of Quality Assurance Manager and Project Manager? Quality Assurance Manager (QA Manager) produces the process to be followed at every phase
structured analysis
What are the two levels of testing? i. Component testing Individual works are tested. Tests are derived from developer's experience. ii. System Testing The group o
Objectives of Data dictionaries:- 1) A standard definition of every terms in a system that is each item of data is uniquely identified and defined. 2) Simple cross-referenci
Explain in detail about system testing. System testing Stress testing Performance testing Security testing
Define maintenance. Maintenance is defined as the procedure in which changes are executed by either modifying the existing system's architecture or by adding new mechanism to t
identification need
What is reverse engineering? It is a process of examining software with a view to understanding its design and specification. - In reverse engineering, source code and i
Define software testing? Software testing is a critical element of software quality assurance and shows the ultimate review of design, specification, and coding.
algorithums
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