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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
Write short notes on empirical estimation models. Estimation model for computer software uses empirically derived formulas to expect effort as a function of line of codes (LOC)
explain dfd
What are the various testing strategies for conventional software? i. Unit testing ii. Integration testing. iii. Validation testing. iv. System testing.
what is meant by gantt chart who gave the name who is the founder
Abstraction :- Abstraction allows one to concentrate on a problem at some level of generalization without regard to irrelevant low level details; use of abstraction also allows one
Describe about the Environmental model It indicates environment in which system exists. Any small or big system is a sub-system of a larger system. For illustration, if softw
Define top-down testing. System developed starting from most general modules. Testing begins from the most general module.
Implementing the program with all possible combinations of values for program variables. Feasible only for small, simple programs.
#use case diagram for car manufactures by considering build and price of car as use case#
A University has asked you to design and implement a simple database to store student and module details (including details of which school students belong to and which schools run
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