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Write definition of ERD?
Entity Relationship Diagram shows the graphical presentation of the object relationship pair. It is above all used in database applications.
QUESTION 1 (a) Suggest how the atomicity of EV1 "Request for estimate" could be improved (b) Document any five events listed above (Tip: state the actor, system agent, input
Data Flow Diagrams (DFD) It's a graphical representation of flow of data through a system. It pictures a system like a network of functional processes. The foundation of DFD i
Write down the functional requirement for a Library management system. The user should capable to search either all of the primary set of databases or select a subset of dat
Write short note on black box testing. The black box testing is also known as behavioural testing. This method fully focuses on the functional requirements of the software. Te
What is Constant? In software or software testing, a constant is a meaningful name that shown a number, or string, that does not alter. Constants are variables that remain the s
Glass box testing is the similar as white box testing. It's a testing approach that consider the application's program structure, and derives test cases from the application's prog
Distinguish between verification and validation. Verification refers to the set of activities that make sure that software correctly executes a specific function. Validation re
Q. Explain Different Phases of spiral model? 1) Planning: In this phase the objectives alternatives as well as constraints of the project are determined or documented. The ob
Define software testing. Software testing is a process used to help recognize the correctness, completeness and superiority of developed computer software. With that in mind, t
Define about the Software Development Life Cycle The different steps (known as phases) that are adopted in development of this process are collectively called as Software Devel
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