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You cannot directly access the parallel port because the operating system is managing that device. Use the file system. The name of the parallel port is "lpt1:". Open that as an ordinary file for write, write to it, and you will be writing on the parallel port.
parallel operating system is tha sharing of data between two computers....... Distributing system is the sharing of data among different computers....
For lamps in parallel, it's straightforward, as you only need to add the individual power ratings to find the total power rating and multiply this value for the time over which they operate, to determine the energy dissipation.For lamps in parallel, it's far more complicated. Lamps in parallel are not subject to their rated voltages and, so, cannot operate at their rated powers. In fact, the lamp with the lowest power rating will actually burn the brightest! Trying to calculate what is going on is further complicated by the fact that there is significant difference in the resistance of a lamp when it is operating at its operating temperature and when it is cold, and you cannot determine these resistances theoretically. So, while you can determine the answer to your question experimentally -by measuring the current and voltage- it is not practical to calculate the answer you are looking for.
Any circuit that even has more than one branch is a parallel one.
There are four types of circuit: series, parallel, series-parallel, and complex.
parallel circuit .
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Define the essential properties of Network operating systems.
Transformers can be connected in parallel, if they have the same primary and secondary voltages and equal operating frequency.
Similar structures that have evolved independently are called homologous structures. An example would be the wings of a bird and the wings of an insect.
All the OS are compatible with dual OS.but here i will suggest you keep it parallel.
Parallel circuits are used when there are many electronics on the same circuit, such as Christmas lights, for example. If they were on a series circuit, if one bulb went out all of them would go out. In your home, parallel circuits allow you to turn any electrical device on or off, independently of the others.
There are seven main capabilities of an operating system:Single user processingMulti-user processingSingle taskingMultitasking or MultiprogrammingMultiprocessing or Parallel processingInterprocessing communicationTime sharing
By connecting the three switches in parallel.
You cannot directly access the parallel port because the operating system is managing that device. Use the file system. The name of the parallel port is "lpt1:". Open that as an ordinary file for write, write to it, and you will be writing on the parallel port.
Superscalar Page 262 in Operating Sysetm Book
parallel operating system is tha sharing of data between two computers....... Distributing system is the sharing of data among different computers....