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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.
Introduction The goal of the assignment is to build functionality on top of twitter that allows you to encrypt tweets to subgroups of your twitter Background Material R
Explain version description document (VDD)? Ans) Version description document (VDD) is a document that accompanies and signifies a given version of a software product. Typically
What are the approaches of integration testing? The integration testing can be carried out using two approaches. 1. The non-incremental testing. 2. Incremental testing.
What is Data Dictionary? Data dictionary is a storehouse of data giving information about data. It is a list of terms and their meaning for all data items and data files of a s
Why is maintenance of a software important? The alteration of a software product, after delivery, to correct faults, to improve performance or other attributes, or to adapt th
Text Retrieval Packages: Text retrieval comprises storage and subsequent retrieval of rat girds, essentially textual rather than numerical, tabular or graphical. Although, eac
A friend has promised to log in at a particular time. However, he needs to be contacted as soon as he logs in. The shell script checks after every minute whether he has logged in o
Q. What is Test file generators and test harness systems? Test file generators: This creates a file of information that is utilized as the program and does so based on commen
CAPABILITY MATURITY MODEL (CMM): CMM is a strategy for recovering the software process, irrespective of the actual life cycle model used.
Important factors related to library storage operation: It is essential to consider some important factors related to library and information storage and retrieval operations
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