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Q. Why we use Modem?
A Modem is one device which most computer users who have surfed Internet are aware of. A modem is neededsincehowever most of telecommunications have become digital most telephone connections at user end are still analog POTS (Plain Old Telephone Systems/Sets/Service). But the computer is a digital device and henceforth another device is requiredthat can convert digital signals to analog signals and vice-versa. Such a device is Modem. Modem signifies Modulator/Demodulator. Modulation is process that puts digital information on to analog circuit by modifying a constant wave (signal) known as the Carrier. This is what happens whenever you press a button to connect to Internet or to a web site. Demodulation is reverse process that derived digital signal from modulated wave. This is what happens when you receive data from a website which then gets displayed by your browser.
Returns the information about tasks running int info = pvm_tasks( int where, int *ntask, struct pvmtaskinfo **taskp ) struct pvmtaskinfo { int ti_tid; int ti_pt
What is a work process? A work process is where individual dialog steps are in fact processed and the work is done. Every work process ocuurs one type of request.
What are the events by which we can program "help texts" and display "possible value lists"? -PROCESS ON HELP-REQUEST (POH). -PROCESS ON VALUE-REQUEST (POV).
Explain typical packet switching network configuration. Packet Switching: In packet switching the nodes handle greatly smaller data length than are determined in message swit
Q. Weighted-average under perpetual inventory procedure? Weighted-average under perpetual inventory procedure in perpetual inventory procedure firms calculate a new weighted-av
Explain Electrically Erasable Programmable ROM - Computer Memory? The next level of erasability is the EEPROM which able to be erased under software control. This is the most f
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 machin
Q. Explain Passing Parameters Using Pointers ? This method overcomes the drawback of using variable names directly in procedure. It uses registers to pass procedure pointers to
please suggest me ,how to write microopertions,and study for computer architecture
Determine the begin - end keywords Group several statements together. Cause the statements to be evaluated sequentially (one at a time) -> Any timing within sequential group
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