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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.
Lines of code (LOC) is a software metric used to calculate the size of a software program by counting the number of lines in the text of the program's source code. LOC is typicall
Q. Illustrate the relationship between Time and cost? In software projects, time cannot be freely exchanged against cost. Such a trade off is limited by the nature of the softw
how to make pseudo code of hotel reservation
Explain Quality control This includes checking the software development process to make sure that procedures and standards are being followed. There are two approaches to qu
A newsagent shop employs several newspaper deliverers to hand-deliver the morning newspapers to customers' houses. The customers all live fairly close to the shop and the delivere
Q. Explain the concept of bottom-up design? Bottom up design: This approach make possible a style of design where we decide how to combine these modules to provide larger ones
what is the advantage of Iterative Enhancement Model in developing a system?
What are the Types of Requirements There are numerous categories of the requirements. On the basis of their priority, requirements are classified into below 3 types: 1.
Explain about the software testing strategies. A method approach to software testing. Verification and Validation. Verification refers to the set of activities tha
Problem 1. Explain why it is necessary to design the system architecture before the specifications are written 2. Explain why it is important to describe software designs 3.
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