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Describe about the Environmental model
It indicates environment in which system exists. Any small or big system is a sub-system of a larger system. For illustration, if software is developed for a college, then college would be part of University. If it's developed for University, University will be part of national educational system. Hence, when model of the system is made these external interfaces are defined. These interfaces reflect system's relationship with external universe (known as environment). Environment of a college system is demonstrated in figure below.
List the pre-requisites for white-box testing The pre-requisites for white-box testing are same to that of black-box testing with one main difference: - During white-box tes
How can we re-engineering of any product One additional difficulty in adopting this approach is large investment which exists in software system maintenance. It requires additi
CDS/ISIS Software (Micro Version): Micro CDS/ISIS is an advanced non-numerical information storage and retrieval software package. It was developed by UNESCO in 1985 to meet t
Define maintenance. Maintenance is explained as the process in which changes are executed by either modifying the existing system's architecture or by adding latest components
Q. Explain Test data generators - testing tools? Test data generators: this is a hard one and at lease for the present is one for which no general solution exists. One of the
A Boolean graph connecting causes and effects. The graph is mainly a digital-logic circuit (a combinatorial logic network) by using a simpler notation than standard electronics not
What are the benefits of prototyping? i. Prototype serves as a basis for deriving system specification. ii. Design quality can be improved. iii. System can be maintained
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
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
Explain the types of software testing. Unit testing Integration testing System testing User-acceptance testing End-to-End testing Exception testing
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