define modema modem changes digital signals into
Define Modem.
A modem changes digital signals into audio tones to be transmitted over telephone lines and also changes audio tones from the lines in digitals signals for machine use.
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define programmed ioit is the result of input and output instructions written in the computer program every data item transfer is initiated by an
what is priority interruptit is a system that establishes a priority over the several resources to determined which condition are to be serviced
define polling a polling process is used to recognize the highest priority source by software means in this process there is one common branch
define dmathe transfer of data among a fast storage device such as magnetic disk and memory if often limited by the speed of the cpu removing the cpu
define modema modem changes digital signals into audio tones to be transmitted over telephone lines and also changes audio tones from the lines in
define protocolit is a set of rules that are followed by interconnecting computers and terminals to make sure the orderly transfer of
q explain the differences in terms of cost between the three storage types nonvolatile volatile and stableanswer volatile storage refers to main as
describe the purpose of the checkpoint mechanism how habitually must checkpoints be performed explain how the frequency of checkpoints affects system
define main memory and auxiliary memorythe memory unit that communicates directly with the cpu is known as main memory ramdevices that give backup
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