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explain about magnetic tape a they are mostly used for keeping files of data b it is one of the cheapest and slowest methods
define input-output interfaceio interface gives a method for transferring information among internal storage and external io
define peripheraldevices that are under the direct control of computer are said to be linked online these devices are intended to read information
define restoring methodthe hardware method just explained is called the restoring method the reason for this name is that the partial reminder is
what are the steps in multiplication algorithm check for zeros multiply mantissas add the exponents normalize the
what is divide overflow the division operation might result in a quotient with an overflow overflow happens when the length of the registers is
what is an algorithmthe solution to any problem that is stated by an exact number of well-defined procedural steps is known as an
what is vector processing there is a class of computational problems that are beyond the capabilities of a conventional computer these problems
what is arithmetic pipeline pipeline arithmetic units are usually found in very high speed computers they are used to execute floating point
what is simdsingle instruction stream multiple data stream simd shows an organization that contains many processing units under the supervision of a
what is sisd single instruction stream single data stream sisd shows the organization of a single computer having a control unit a processor unit
what is pipeliningit is a method of decomposing a sequential process into sub-operations with each sub-process being implemented in a special
zero address instruction it is also possible to use instruction where the location s of all operand is explained implicitly this operand of the
explain the following the address instruction three-address instruction-it can be represented as add abc two-address instruction-it can be shown
define word length every group of n bits is referred to as a word of information and n is known as the word
what is an io channel an io channel is actually a special purpose processor also known as peripheral processor the main processor initiates a
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