define programmed ioit is the result of input and
Define Programmed I/O.
It is the result of input and output instructions written in the computer program. Every data item transfer is initiated by an instruction in the program.
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q suppose an operating system maps user-level threads to the kernel utilizing the many-to-many model where the mapping is done through the use of
q in following section we mentioned that disabling interrupts frequently could affect the systems clock describe why it could and how such effects
the cigarette-smokers difficulty consider a system with three smoker processes and one agent process every smoker continuously rolls a cigarette and
q give the reasons why windows xp solaris and linux implement multiple locking mechanisms explain the circumstances under which they use mutexes
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
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