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micro-instructions are stored in control memory address register for control memory comprises the address of subsequent instruction which is to be
q explain about interrupt cycleon completion of execute cycle the current instruction execution gets completed at this point a test is made to
q illustrate the execute cyclethe fetch and indirect cycles include a small fixed sequence of micro-operations every one of these cycles has fixed
q explain indirect cycle in control unitonce an instruction is fetched the subsequent step is to fetch the operands the instruction may have indirect
q explain the fetch cyclethe beginning of every instruction cycle is the fetch cycle and causes an instruction tobe fetched from memory the
q how are control signals achieve the particular operationthe control signals are applied directly as binary inputs to the logic gates of the logic
control signals from control bus a number of the control signals are provided to control unit by the control bus these signals are issued from
q explain about instruction register and flagsthe instruction register it comprises the operation code opcode and addressing mode bits of the
q what is master clock signal in control unitthe master clock signal this signal causes micro-operations to be executed in a square in a single clock
q make an instruction execution feasiblewhat are the functions that a control unit performs to make an instruction execution feasible instruction
q explain micro-operations performed by cputhe micro-operations performed by cpu can be categorized as micro-operations for data transfer
q functional requirements of a control unitlets first try to define functions that a control unit should perform in order to get things to happen
q fundamental components of a cputhe two fundamental components of a cpu are control unit and arithmetic and logic unit the control unit of cpu
q how can this arithmetic processor be associated to the cpu two mechanisms are used for connecting arithmetic processor to cpu if an
q what is an arithmetic processora distinctive cpu necessitates most of the control and data processing hardware for implementing non-arithmetic
define random scanraster scan displays random scan is a method in which the display is made by the electronic beam which is directed only to the
what is meant by refreshing of the screen some method is required for maintaining the picture on the screen refreshing of screen is completed by
what is meant by scan code when a key is pressed on the keyboard the keyboard controller places a code take to the key pressed into a part of the
define is a personalityin order to allow programs coming other operating system to be run in linux linux supports the idea of personalities every
what are the different scheduling policies in linuxthe linux scheduler has three different scheduling policies one for normalprocesses and two for
classify schedulerscheduler is a kernel function decide which method be thought to be implemented by the processor the scheduler scans the
what is the session session is a collection of various groups of method every session is assigned to a single control terminal this terminal is
what is the type of process identifiers identification of the real user identification of the effective user identification of the real group
what are the attributes of the methodduring implementation a process is characterized by various attributes maintain by the system its state its
what are the process statesby the courses of implementation processes change state status of a process is express by its present activitydissimilar