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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.
What is a Deadlock? Deadlock is a situation, in that processes never complete executing and system resources are tied-up, preventing another job form starting. If the resou
Discuss the classifications of switching systems. The categorizations of switching systems are specified in the block diagram given below:
DEscribe a console application to show all the arguments passed tocommand line whereas running the application. The user can pass anynumber of arguments that should be shown. Use l
Electrocomp's management realizes that it forgot to contain two critical constraints. In particular, management decides that to make sure an adequate supply of air conditioners for
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What is Instruction Cycle A program residing in the memory unit of the computer having of a sequence of instructions. The program is implemented in the computer by going throu
Write 8086 initialisation routine required to program 8255 for mode 1 with Port A and Port B as output Ports and Port C as an input port. Indicate all the relevant signals.
types of lock
Describe the purpose and operation of Register 2 (R2) for the MSP430
Q: Challenges and Prospects in Changing Information Technology? There is no doubt that information technology has made significant progress during the past two decades. Modern
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