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Application Design:
Micro CDS/ISIS is a text oriented software package. It is a good , ho ice if one wishes to store textual data, retrieve the data by certain criteria, and display or print the data in a convenient user defined format. A machine-readable library catalogue is c of its typical applications. All the data describing a book or any other document is stored the form of a record and all such records are stored in the form of master file. In the same manner, we can store data pertaining to any entity such as plants, persons, institutions. etc. The machine-readable master file is known as a database. While designing a database, the data elements and their corresponding characteristics must be specified. In a bibliographical database, one can specify data elements such as
i) author names
ii) titles
iii) publication data
iv) subject descriptors, etc.
Illustrate Evolutionary prototyping Objective: The main objective of this model is to show the working system to the end-user. Example-AI systems. Advantages
What are the advantages of vertical partitioning? i. These are simple to maintain changes. ii. They decrease the change impact and error propagation.
what is meant by gantt chart who gave the name who is the founder
A computer program is "user friendly", when it is designed with simple of use, as one of the primary purposes of its design.
RE-ENGINEERING:- It is re-organizing and changing existing system to make them more maintainable. It includes:- Source code translation. Program structure development
Q. Use of Test file generators in software engineering? Test file generators This creates a file of information that is used as the program and does so based on comments give
Differentiate between regression testing and re-testing - Re-testing: - It means testing a single defect that was just fixed. Only one test is performed here. - The ta
Determine the technique - Parallel With this approach, old and new systems are run together for a time - If new system goes down for any reason, you still have old system
What is a state transition diagram? State transition diagram is mainly a collection of states and events. The events cause the system to change its state. It also shows what ac
What is the development lifecycle? Why is it useful? Describe the activities carried out at each stage Determination of scope Requirements specification Design Coding Testing Maint
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