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Explain about the E-R Diagram
Entity-relationship (E-R) diagram is detailed logical representation of data for an organisation. It is data oriented model of a system while DFD is a process oriented model. ER diagram represent data at rest whereas DFD tracks the motion of data.
ERD doesn't provide any information regarding functionality of data. It has 3 main components - data entities, their relationships and their associated attributes.
A friend has promised to log in at a particular time. However, he needs to be contacted as soon as he logs in. The shell script checks after every minute whether he has logged in o
Determine the different steps of Structured Requirements Definition Step 1: Make a user level data flow diagram. This step is meant for gathering requirements with intera
Following is the description of all data member and member functions of respective classes: ? Data members for PropertyCategories: o SocietyName: This data member will be used
What tasks do checkpoints perform in QTP? Checkpoints in QTP are used to verify information which is expected to be displayed when running test. Following are 8 types of availa
select alife cycle model that you would follow during the devolpment of the easy travil singapore system. give an outline description of thise life cycle and justify your chice of
Q. Describe system testing? Ans. System testing: System test are designed to validate a completely developed systems with a view to assuring that it meets its requirements
What are the umbrella activities of a software process? Software project tracking and control. Risk management. Formal Technical Reviews. Software Quality Assurance.
Name the design phase of SDLC Generally, design is performed in the below two steps: i) Primary Design Phase: In this phase, system is designed at block level. Blocks are
I need the code for creating a simple ball game on net beans/Open gl
Illustrate the use of the concept Encapsulation.
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