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What is cycle stealing DMA operation?
Cycle Stealing: In this process, the DMA controller transfers one data word at a time, after which it must return control of the buses to the CPU. The CPU merely delays its operation for one memory cycle to permit the direct memory input/output transfer to 'Steal' one memory cycle.
What is a cohesive module? A cohesive module performs only "one task" in software procedure with few interaction with other modules. It means cohesive module serve only one thi
How can recovery scenario manager be used to handle exceptions in QTP? QTP provides a wizard through Recovery Scenario Manger which can recover unexpected errors and events wh
Advantages of Re-Engineering:- 1) Reduced risk - there is a huge risk in new software development. There might be development problems, staffing problems and specification pro
This method categorizes the inputs and outputs of a class in order to test them separately. This decreases the number of test cases that have to be designed. To verify the diffe
Define graph matrix and connection matrix. Graph matrix: A graph matrix is a square matrix whose size (i.e., number of rows and columns) is equivalent to the number of n
What is the development lifecycle? Why is it useful? Describe the activities carried out at each stage Determination of scope Requirements specification Design Coding Testing Maint
Question 1 A) If you are a software engineer you must be expert in the field of hardware, software and also database. It has been listed by the industry professionals that time a
What are the common approaches in debugging? Brute force method: The memory dumps and run-time tracks are explained and program with write statements is loaded to get clues to
Differentiate between functional testing and structural testing. Functional testing also known as behavioural testing or Black box testing. In this methods, tester design te
Define Brooks law. Software was delivered late, was defective, cost several times the original estimates and often showed poor performance characteristics.
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