Shri vishnu engineering college for women:: bhimavaram department of information technology



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ITIIBTechIISemLecCOA
0910-ComputerSystemOverview02
UNIT-1

DEPARTMENT OF INFORMATION TECHNOLOGY::SVECW Page 12 Figure 1.6 Characteristics of a Hypothetical machine Figure 1.7 illustrates a partial program execution, showing the relevant portions of memory and processor registers The program fragment shown adds the contents of the memory word at address 940 to the contents of the memory word at address 941 and stores the result in later location. Figure 1.7 Example of Program Execution
Three instructions are required
1. The PC contains 300, the address of the first instruction. This instruction (the value



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