17COA111 - Software Engineering 1 Questions with Correct Answers
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Course
Electrical engineering technology
Institution
Electrical Engineering Technology
Bespoke Correct Answer-Software developed from scratch, risky to develop within a set time or cost
Jelly mould effect Correct Answer-In brownfield development, replacing an existing system will require retraining staff, and reshaping the company's way of thinking
Feasibility study Correct Ans...
17COA111 - Software Engineering 1 Questions with Correct Answers
Bespoke Correct Answer-Software developed from scratch, risky to develop within a set time or cost
Jelly mould effect Correct Answer-In brownfield development, replacing an existing system will require retraining staff, and reshaping the company's way of thinking
Feasibility study Correct Answer-Determines constraints, facts and assumptions based on a new system
Inflexible partitioning Correct Answer-Affects waterfall process, a stage needs to be put on hold if a previous one needs to be altered
What is iterative development useful for? Correct Answer-Systems that require ongoing feedback, like user interface design
Disadvantages of iterative development Correct Answer-System structure can degrade with multiple runs of development, needless effort spent if system is well understood
Advantages of incremental development Correct Answer-Possible to deliver software quicker than with the waterfall process, debugging easier for each increment, more tolerant to change Reusable system software Correct Answer-Stand-alone application systems (COTS) configured for use in a particular environment
Reusable web services Correct Answer-Web services developed according to service standards and available for use remotely
Reusable code Correct Answer-Collections of objects developed as a package, can be used with a component framework (NET, J2EE)
Disadvantages of integration and configuration Correct Answer-
Compromises may be made to requirements so users' needs may not be entirely met, evolution of reused software is out of control of the company
Verification and validation (V & V) Correct Answer-Shows that a system conforms to its specification and meets the requirements of the customer
Three stages of testing Correct Answer-Component, system and customer
What is not necessary in requirements? Correct Answer-Over-
constraints on how to design the system
Non-functional requirements Correct Answer-These cover system properties and constraints Examples of system properties (used in non-functional requirements) Correct Answer-Reliability, response time, storage requirements
Examples of constraints Correct Answer-I/O device capability, system representations
FURPS+ Correct Answer-Functionality, Usability, Reliability, Performance, Supportability (a requirement could be one or more of these types)
MoSCoW Correct Answer-Must, Should, Could, Won't (level of importance of a requirement)
MTTF Correct Answer-Mean Time to Failure
MTTR Correct Answer-Mean Time to Recovery
MTBF Correct Answer-Mean Time Between Failure (MTTF + MTTR)
Availability formula Correct Answer-MTTF / (MTTF + MTTR)
IEEE requirements standard Correct Answer-Introduction, general description, specific requirements, appendices, index, glossary
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