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DMA data transfer
The position of the DMA controller between the other components in a computer system. The CPU communicates with the DMA by the address and data buses as with any interface unit. The DMA has its own address, which activates the DS and RS lines. The CPU initializes the DMA by the data bus. Once the DMA receives the start control command, it can start the transfer among the peripheral device and the memory.
What is software maintenance Alters to the software are made in response to altered requirements but the fundamental structure of the software remains same.
Software faults are unseen programming errors. Software faults are errors in the correctness of the semantics of computer programs.
What is meant by software change? Once software is ready to use, new requirement appear and existing requirements change as the business running that software changes parts of
1. "Variable trace" is a (computer) record of the names and the values of variables accessed and/or changed during the implementation of a computer program. 2. "Value trace" is
Develop a software architecture for the Case Study. a. Identify the major 'design forces' () affecting the system, and discuss the 'architectural response' you think most ap
i have coursework on software management and dont know how to go about it. I want to find out if you will be able to help me on that. The task is to investgate(research informed pa
Test Case A test case is a unit level document describing the inputs, steps of implementation and the expected result of each test condition for each requirement from the BRD.
Difference between Pilot and Beta Testing. Pilot testing includes having a group of end users try the system prior to its full deployment in order to give feedback on its perfo
Test Build Managers, System Administrators and Database Administrators deliver new software versions to the test environment, install the application's software and apply software
What are the various types of system testing? 1. Recovery testing - is intended to check the system's capability to recover from failures. 2. Security testing - verifies tha
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