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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.
What is the benefit of modular design? Changes made during testing and maintenance becomes manageable and they do not influence other modules.
Q. Define the Structural Testing? For a moment it called white-box testing. At this point derivations of test cases are according to the program structure. Knowledge of the pro
java/python based application which lets you upload images of car logos and detects which logo it is by outputting the ID number of that image. Neural network is used to achieve th
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 bubb
What is a software project test plan? A test plan is the master document that having all details pertaining to testing of the application. Its contents include: - Testing sc
project tracking and overview of project process?
Question: (a) What mechanism does illegal spammers exploit to send spam? (b) What is a hoax? (c) Name two ways in which you can increase the privacy of e-mail. (d)
A one-car taxi company receives an average of 18 calls per day. The receptionist takes down details of the requested journey and relays them to the driver by radio. Each passenger'
Q. Explain the relationship between Productivity and difficulty? Productivity refers to metrics as well as measures of output from production processes per unit of input. Pr
What is Transform mapping? The transform mapping is a set of design steps applied on the DFD in order to map the transformed flow characteristics into exact architectural style
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