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Data buffering is quite helpful for purpose of smoothing out gaps in speed of processor and I/O devices. Data buffers are registers that hold I/O information temporarily. I/O is performed in short bursts in that data are stored in buffer area whereas the device can take its own time to accept them. In I/O device to processor transfer, data are first transferred to buffer and then passed on to processor from these buffer registers. So I/O operation doesn't tie up bus for slower I/O devices.
Why IO devices cannot be directly be connected to the system bus? The IO devices cannot be directly linked to the system bus because i. The data transfer rate of IO device
Explain in detail about Real time (transaction) processing When booking seats on a flight, for illustration, real time (transaction) processing would be used. Response to a que
Which is valid syntax of the Fork and Join Primitive? Ans. A valid syntax of the Fork and Join Primitive is as given below: Fork Join
Q. Is tcp Connection-oriented? TCP is connection-oriented. This means a connection is established between source and destination machines before any data is sent it implies tha
What is the purpose of putchar function Putchar writes one character to the standard output file, stdout. Syntax #include int putchar(int c); The putchar macro wr
Q. Terminates a particular PVM process? int pvm_kill( int tid ) Terminates a particular PVM process. tid Integer task identifier of PVM process to be killed (not itself).
Illustrate about the Word processors with its design Word processors now have many aspects over and above the original task of generating a typed document. This section would
Q. Write short note on Interfacing Keyboard, giving block diagram. Why do we need to introduce circuitry called Keyboard Status Word Generator?
Define Coupling? Coupling means the measure of interconnection between modules in a program structure. It depends on the interface problem between modules.
Replacement and substitution: However, equivalences allow us to change one sentence with another without affecting the meaning, it means we know already that replacing one sid
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