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what is synchronous transmissionin synchronous transmission the two units share a common frequency and bits are transmitted continuously at the rate
what is time out mechanismif one unit is faulty the data transfer will not be done such an error can be detected using time out mechanism which makes
what is the disadvantage of strobe methodthe drawbacks of strobe method are that the source unit that show the transfer has no way of knowing
define handshakinghandshaking is a method commonly used to accompany ever data item being transfer with the control signal that show the presence of
what is strobeasynchronous data are transfer among two independent unit needs that control signals to be transmitted among the communicating units to
what is referred as memory mapped iothe case in computers that employ only set of read and write signals and do not differentiate between memory and
what is the use of isolated io configuration in isolated io configuration the cpu has distinct input and output instructions and each of these
what is the purpose of iopthe purpose of iop is to given an independent path way for transfer of information among external and internal
what is the use of status command data output command and data input commanda status command is used to test a variety of status conditions in the
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