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what is the role of ir and pc instruction register ir having the instruction being implemented its output is available to the control circuits
what are the various types of operations required for instructions data transfers among the main memory and the cpu registers arithmetic and
what is the role of mar and mdr the mar memory address register is used to hold the address of the location to or from which data are to be
what are the uses of interrupts recovery from errors debugging communication among programs use of interrupts in operating system
what is an interrupt an interrupt is an event that causes the implementation of one program to be suspended and another program to be
define program counterpcthe program counter holds the address of the next instruction to be read from memory after the current instruction is
define operation codethe operation code of an instruction is a group of bits that explain such operations as add sub shift mul and
define instruction codean instruction code is a group of bits that instructs the computer to perform an exact operation it is usually separated into
what is binary adderbinary adder is constructed with full adder circuit linked in cascade with the output carry from one full adder linked to the
define memory read and write operationthe transfer of information from a memory word to outside environment is known as read operation the transfer
define micro operationthe operations implemented on data stored in the registers are called micro operation a microperation is an elementary
define parity generatorduring transmission at sending end the message is applied to a parity generator where the needed bit is
define parity bit and list its typesthe most common error detection code used is the parity bit parity bit is a extra bit contained with a binary
what is error detection codeit is a binary code that notice digital errors during transmission the detected errors cannot be correct but the presence
how to detect overflow conditionan overflow condition can be notice by observing the carry into the sign bit position and the carry out of sign bit
define overflow an overflow is a problem in digital computer due to the width of registers is finite a result that contains n 1 bit cannot be
define bcda binary code that distinguishes between 10 elements must contain at least 4 bits but 6 combinations will remain unassigned numerous
define radix orbasea number system of base or radix is a system that uses different symbols for r digits numbers are shown by a string of digit
what are the features of cisc processorsthe standard features of cisc processors are listed below cisc chips have a large amount of dissimilar and
cisc complex instruction set computercisc stands for complex instruction set computer if the control unit having a number of micro-electronic
what is register setregister set register set is used to keep immediate data during the implementation of instruction this area of processor
what is arithmetic and logic unitarithmetic and logic unit the alu is the core of any processor it implements all arithmetic operations addition
what is control unit control unit the control unit issue control signals to perform exact operation and it directs the entire computer system to
what is central processing unitcentral processing unit cpu performs all the arithmetic and logical calculations in a computer the cpu is said to be
explain the types of computer architecturecomputer architecture can be divided into three main categoriesinstruction set architecture or isa is the