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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.
A group process for generating original and diverse ideas.
Black Box Testing :-Black Box Testing is also known as behavioural testing, focuses on the functional requirements of the software. It allows the software engineer to derive sets o
Explain Software Bug? Ans) A fault in a program which origins the program to perform in an unintended or unanticipated manner.
What are the various types of system testing? 1. Recovery testing - is intended to check the system's capability to recover from failures. 2. Security testing - verifies tha
consider the following flow chart, a. Draw the flow graph and show the edges, regions and nods clearly b. show the independent paths c. calculate the cyclomatic complexity in three
This strategy includes testing the classes as they are integrated into the system. The traditional approach would test every operation separately as they are executed into a class.
What are the Problems in comes in SRS There are numerous features which make requirements analysis difficult. These are explained below: 1. Complete requirements are diffic
What is Boundary value Analysis? Boundary value analysis is a method in software testing where tests are designed for showing boundary values. The values will be on the edge of
What are the Problems held while creating system flowchart (1) A company selling CDs and DVDs presently uses a paper-based, manual system to keep track of: - Stock levels
What is structured programming and why is it important? Structured programming is a programming which was coined in the late 1960's to mean programming without using go to stat
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