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Problem
1. Explain why the use of a standard high-level language does not guarantee that software will be portable across a range of machines
2. Draw possible data flow diagram of system design for the following application. Part of the electronic mail system which presents a mail form to a user, accepts the completed form and sends it to the identified destination
3. Give the difference between restructuring and forward engineering
Q. Discuss any two software characteristics. Ans. Software is not manufactured : The life of software is start from concept exploration to the retirement of the software prod
Determine the level 0 and level 1 of DFD External entities provide input data for processing. During processing, some intermediate data is generated. After final processing, fi
Adefine estimation model
Q. Explain the concept of bottom-up design? Bottom up design: This approach make possible a style of design where we decide how to combine these modules to provide larger ones
List the task regions in the Spiral model. Customer communication - In this region it is suggested to make customer communication. Planning - All planning activities are car
Give the example of the mechanics of structured analysis
What do we meant by software change ?
explain why older data models are being replaced by new data models.
A selection method in which test data are chosen to lie along "boundaries" of the input domain [or output range] classes, data structures, procedure parameters, etc. Choices often
Testing conducted to consider a system or component in its operational environment. Contrast with development, testing,; testing, acceptance;
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