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What does Level0 DFD represent?
Level0 DFD is known as 'fundamental system model' or 'context model'. In the context model the entire software system is shown by a single bubble with input and output shown by incoming and outgoing arrows.
Adding to below means
Draw E-R diagram for the following situation An account is a relationship between customer and bank. A customer has a name. A bank has a branch. A customer may have numerous ac
What are the aims of Analysis modelling? i. To make apparent what the customer wants. ii. To set up a basis for the creation of software design. iii. To devise a set of v
What is a vertical microinstruction? Ans) A vertical microinstruction is a microinstruction that states one of a sequence of operations required to carry out a machine language
Define metrics. Metrics is explained as the degree to which a system component, or process possesses a given attribute.
Write short notes on empirical estimation models. Estimation model for computer software uses empirically derived formulas to assume effort as a function of line of codes (LOC)
Coupling and Cohesion Data coupling - The data coupling is possible by parameter passing or data interaction. Control coupling - The modules share related control data
What are the different types of Cohesion? i. Coincidentally cohesive -The modules in which the set of tasks are related with each other loosely then such modules are called as
Recovery/error testing is testing how well a system recovers from crashes, hardware failures, or other catastrophic problems.
What are the benefits of smoke testing? Integration risk is decreased. The quality of the end-product is getting better. Error diagnosis and correction are simplified. Assessme
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