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Define the method of Direct changeover
With this technique, old system is stopped and new system is used Straight away;
- This method can be disastrous if new system fails at any point
- Though, benefits are immediate and less time is wasted
- Costs are reduced (just one system in use so save on staff costs)
- Less likelihood of a malfunction as the new system would have been fully tested
The level at which the software uses scarce resources Efficiency level.
Distinguish between alpha testing and beta testing. Alpha test and Beta test The alpha test is prepared at the developer site. The software is used in a natural setting wi
What is coupling? Coupling is the measure of interconnection between modules in a program structure. It depends on the interface complexity among modules.
Discuss in detail about Delphi Method. Procedure The co-ordinator represents a specification and assessment form to each expert. Co-ordinator calls a group discussion
Define the term - Inspection - An inspection is more formal than walk through. - It includes 3-8 people - a moderator, reader as well as a recorder to take notes. - Subj
(a) What is a view? (b) What is the implication of creating a view with the select * statement in the view definition? (c) Make reference to the relational schema given in
What is Version and release management? Invent an identification system for system versions. Plan when a new system version is to be formed. Ensure that version managemen
What does Level0 DFD means? Level0 DFD is called as 'fundamental system model' or 'context model'. In the context model the total software system is represented by a single bub
What is Up time? "Up time" is the time period when a method is operational and in service. Up time is the sum of idle time and busy time.
What are the functions of data architecture? It gives the information needed for a business function. Recognize the data objects and their relationship. Eg: Custome
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