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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.
using a dfd and a processing narrative,describe computer based system that can distinct transform flow characteristics.Define flow boundaries map the dfd into a software architectu
What are the aims of testing? i. Testing is a process of executing a program with the target of finding an error. ii. A good test case is one that has high possibilit
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Write about software change strategies. The software change methods that could be applied separately or together are: Software maintenance - The alters are made in the software
four circumstances where incremental model is appropriate?
Write short note on black box testing. The black box testing is also known as behavioural testing. This method fully focuses on the functional needs of the software. Tests are
Different characteristics of software measures Different characteristics of software measures identified by Basili (1989) are given below: • Objects of measurement: They i
Q. Consider the program given below void main() { int i,j,k; readln (i,j,k); if( (i k) ) { writeln("then part"); if (j writeln ("j
#questionFrame Diagrams We discussed the importance of framing a problem in order to understand the problem better and be able to develop a solution more quickly and easily. In thi
Q. Define a Class diagram with example? Class diagram: A class diagram in the UML (Unified Modelling Language) is a type of static structure diagram that describes the struct
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