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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 is a data flow graph that pictorially represents transformation on data as demonstrated in Figure.
What are the advantages of vertical partitioning? i. These are simple to maintain changes. ii. They decrease the change impact and error propagation.
I have a vb.net application i would like to add database function + coding the the function to let the application work and also to add a login window for the customers + custom
Explain the prototyping approaches in software process. Two approaches i. Evolutionary prototyping - In this approach of system development, the initial prototype is pre
Explain about the Spiral Model This model can be considered as the model that combines the strengths of various other models. Conventional software development processes don't
1. Testing that employs a test data selection method designed to obtain test data capable of demonstrating the absence of a set of pre-specified faults, typically, frequently happe
Draw an E-R diagram for the following situation: an account is a relationtion between cutosmer and bank. A customer had a name.
Functional testing is black-box type of testing geared to functional needs of an application. Test engineers *should* do functional testing.
Explain the reuse maintenance model with the help of a diagram. Reuse maintenance model: This model is based on the principal that maintenance could be viewed as an activity i
What is Requirements Engineering Requirements engineering is systematic use of proven techniques, principles and language tools for cost effective analysis, on-going evaluatio
Question 1 What is project management? Explain various activities involved in project management Question 2 Describe the following with respect to Estimation and Budgeting of
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