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The micro-instruction cycle can comprises two basic cycles: the fetch and execute. Here in the fetch cycle address of micro-instruction is produced and this micro-instruction is put in a register used for address of a micro-instruction for execution. Execution of a micro-instruction simply means production of control signals. These control signals can drive CPU (internal control signals) or system bus. Format of micro-instruction and its contents decide the complexity of a logic module that executes a micro-instruction.
One of the major features incorporated in a micro-instruction is encoding of micro-instructions. What is encoding of micro-instruction? For answering this question let's recall Wilkes control unit. In Wilkes control unit every bit of information either produces a control signal or form a bit of subsequent instruction address. Now let's presume that a machine requires N total number of control signals. If we follow Wilkes scheme we need N bits one for each control signal in CU.
Illustrate about 8259 8259A adds 8 vectored priority encoded interrupts to the microprocessor. We can expand it to 64 interrupt requests by using one master 8259A and 8 slave
Append query can be used if you would like to add new rows of data to an already active table. The process of making an append query follows these steps they are. ? Basic step
What do you understand by stepwise refinement of the program? The method of "Stepwise refinement" means to take an object and move it from a general perspective to a exact leve
Input-Output-Processor Interconnection Network (IOPIN) This interconnection network is used for communication between I/O channels and processors. All processors commune with a
Amdahl's law is suitable for applications where response time is critical. On the other hand, there are a lot of applications which need that accuracy of the resultant output shoul
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what is process management ?
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Make a data structure to store information about the elements in the periodic table of elements. For each element, store the name, atomic number, chemical symbol, class, atomic we
1. Write the function makegrid. This function accepts a width and height and creates a grid/matrix of cells. The width gives the number of columns and the height the number of rows
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