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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 meant by System Requirements Set out the system constraints and services in well explained. Serves as a contract among the system buyer & the system developer.
Q. Explain Basic Execution Time Model? The model was developed by the J.D. MUSA in 1979(MUSA79) and is based on execution time. It is presumed that failures may occur according
State about the Software Requirements Specification This document is produced as output of requirement analysis. Requirement analysis involves obtaining a clear and thorough
explain coupling
What are interrupts In a microprocessor system, there are three main types of interrupt that cause a break in the normal implementing of a program
explaination
Define about the erroneous data - Test data Abnormal/erroneous data - This is data outside the limits of validity/acceptability and must cause an error message to be g
of elicitation methods
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
What are the common approaches in debugging? Brute force method: The memory dumps and run-time tracks are examined and program with write statements is loaded to obtain clues t
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