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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.
Define Software Lifecycle. Software Lifecycle is the time period beginning with the idea for a Software product ending whenever the Software is unavailable for use. SLC = SL
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Regression test cases which a program has previously implemented correctly in order to detect errors spawned by changes or corrections done during software development and maintena
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Consider an 8-bit system with 32 memory locations (numbered from 0 to 31) and 8 different instructions. Assume op code for "Load Accumulator" instruction is 5 10 and for "Add" ins
Question 1: a) Describe the various activities and or processes related to the development of Information systems. b) Using a diagram, show the several development processes
Explain about the E-R Diagram Entity-relationship (E-R) diagram is detailed logical representation of data for an organisation. It is data oriented model of a system while DFD
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