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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.
Write short note on black box testing. The black box testing is also known as behavioural testing. This method fully focuses on the functional needs of the software. Tests are
Write about the types of project plan. Quality plan - This plan explains the quality procedures and standards that will be used in a project. Validation plan - This plan explai
Explain Spiral model The spiral model is separated into number of frame works. These frameworks are indicated by task regions. Usually there are six task regions. In spir
What is software metric? A Software metric is a easy quantitative measure derivable from any attribute of the software life cycle (E.g.) LOC (Line Of Code) Function poin
Q. Discuss some of the problems that are faced during maintenance of software? - Habitually another person or group of persons working over the years in isolation from each oth
When must a function throw an exception? A function must throw an exception when it's not able to fulfil its promise. As soon as function detects a problem which prevents it
What are the virtues of incremental model? i. The incremental model can be adopted when there are less number of persons associated with the project. ii. Technical risks can
Explain a variable? "Variables" are data items in a program whose values can change.
What are the advantages of evolutionary prototyping? i. Fast delivery of the working system. ii. User is included while developing the system. iii. More useful system can
what is constructor overloading
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