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Draw the Context level DFD for the Safe home Software.
User commands Alarm type
Telephone
Number tone
Sensor status Display
Information
Problem 1. Explain Iterative Development Model in detail 2. Explain the Incremental Development Model in detail 3. What are the major technical and non-technical factors whic
a) An ER diagram for the system. Show all entities, relationships, cardinalities and optionalities. Also, include all intersection entities. You must use the Finkelstein method
Importance of function point: This is independent of the languages tools, or methodology used for execution. They can be estimated from requirement specification or desig
Grey box testing is a software testing method that uses a combination of black box testing and white box testing. Gray box testing is not the black box testing, because the tester
Different characteristics of software measures Different characteristics of software measures identified by Basili (1989) are given below: • Objects of measurement: They i
What are the principles of testing Below are some of the principles of testing: i) All tests must be performed according to user requirements. ii) Planning of tests m
What is Failure-directed Testing Ans) Testing based on the information of the types of errors made in the earlier period that are likely for the system under test.
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
Determine the Sanity testing - Sanity testing is used to ensure that conflicting or multiple functions or variables don't exist in system. - It verifies that components of
What are the misunderstanding arise in software development Some of the common misunderstandings regarding software development are given below. 1. Correcting errors is eas
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