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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
Describe design walk throughs A design walkthrough is a quality practice that allows designers to obtain an early validation of design decisions related to the development and t
Sanity testing is performed whenever cursory testing is sufficient to show the application is functioning according to specifications. This level of testing is a subset of regressi
The test schedule is a schedule that signifies all tasks needed for a successful testing effort, a schedule of all test activities and resource needs.
Question: a) Discuss which communication method/s you would use in the following situations. Justify your answer. i. Congratulating an employee on obtaining a promotion.
Draw the Context level DFD for the Safe home Software. User commands Alarm type Telephone Number tone Sensor status Display Information
What is Quality assurance and standards? Standards are the key to efficient quality management. They may be international, national, and organizational or project standards.
Q. What do you mean by Encapsulation? Encapsulation:- An object is said to be encapsulate (hide) data and program. This signifies that the user cannot see the inside of the o
(a) Copying a graphic image from the Web can be as easy as pointing to it and clicking the right mouse button or performing a screen capture. The question is, under what circumsta
compare and contrast the advantages of verticle and horizontal structural partitioning?
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
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