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Q. Sequence of micro -operations to perform a specific function?
A digital system executes a sequence of micro-operations on data stored in registers or memory. Specific sequence of micro-operations performed is predetermined for an instruction. So an instruction is a binary code specifying a definite sequence of micro-operations to perform a specific function.
For illustration a C program instruction sum = sum + 7 will first be converted to equivalent assembly program:
(ADD R1, 7)
So several machine instructions may be required (this will differ from machine to machine) to execute a simple C statement. However how will every one of these machine statements be executed with the help of micro-operations? Let's try to explain the execution steps:
So we may have to execute instruction in several steps. For later discussion, for simplicity let's presume that every micro-operation can be completed in one clock period though some micro-operations need memory write/read which may take more time.
Equivalence between VHDL and C? There is concept of understanding in C there is structure.Based upon requirement structure provide facility to store collection of various data
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1) Short both I/Ps of NAND gate & use the gate as an inverter. 2) Connect any one of the two I/Ps to VCC & use the remaining I/P & use the gate as an inverter.
Categorized Optimization transformations The structure of program and the way in that data is defined and used in this provide vital clues for optimization. Optimization t
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