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Why testing is vital with respect to software?
Task You have to design a digital system to produce a PWM signal that produces pulses at a frequency in the range 50 Hz -100 Hz . The pulses will be between 1 ms and 2 ms du
What are Quality factors? For large projects with 'average' capabilities, the development process verifies product quality. For small projects, the capabilities of the deve
Q. Assume that a program will experience 200 failures in infinite time. It has now experienced 100. The initial failure intensity was 20 failures/CPU hr. (i) Determine the cur
Q. Compare and contrast reliability and availability? Ans. Reliability: The probability of failure-free system operation over a specified time in a given environment for a gi
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
List the points of a simplified design process. Ans. A design process may comprise a series of steps followed by designers. Depending on the product or else service some of t
Define Cardinality & Modality. Cardinality: Requirement of the number of occurrences of one that can be linked to number of occurrences of another. Modality: The Modality of
Question: a. Assume that you have three similar projects, and, in each, the ratios of problems found during system test versus first year in the field have been 1.5, 1.2, and
how can we improve requirements Engineering process assessment model
What are the types of software maintenance? Corrective maintenance - Means the maintenance for correcting the software faults. Adaptive maintenance - Means maintenance f
A testing procedure focuses on logical internals of software ensuring that all statements have been tested and all are functional externals. At the same time as testing, we execute the entire program before it gets to the customer with specific indent of finding and removing all errors. In order to find the maximum number of errors, test has to be conducted systematically and test cases must be designed using disciplined techniques.
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