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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.
Define Brooks law. Software was delivered late, was not reliable, cost various times the original estimates and often exhibited poor performance characteristics.
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
Q. Differentiate between object oriented and function oriented design. Ans: • Function-oriented design depend on identifying functions which transform their inputs to create
Describe the method of Technical documentation This usually comprises: - Program listing/coding - Programming language(s) used - Algorithm/Flowchart - Purpose o
State the Working of System Evaluation compare final solution with original requirement identify any limitations in system identify any necessary improvements which
APPLICATIONS SOFTWARE: As has been mentioned earlier, software may conveniently be divided into: systems software (i.e., programs designed to control the execution of other pr
State the System Engineering Hierarchy? The world view is composed of a set of domains (Di), which can each be a system, or system of systems. WV = {D1,D2,D3,...........,Dn}
What is a state transition diagram? State transition diagram is mainly a collection of states and events. The events cause the system to change its state. It also shows what ac
What is Code Optimization and Code Generation?
Define the process of debugging Generally when developing the code, software developer also carries out some testing. This is called debugging. This unearths the defects that s
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