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What is Threaded system.
Threaded system: At times we require implementing an operating system which can process multiple threads. Many threads are handled through the kernel using a real-time clock interrupt. One way for scheduling processes in a small RTOS is to utilize a time slice to switch among various processes. The fundamental time slice can be any period and is somewhat dependent upon the execution speed of the microprocessor. All time slices is activated through a timer interrupt. The interrupt service procedure should look to a queue to see whether a task is obtainable to execute, and when it is, this must start execution of the new task. When no new task is present, this must continue executing an old task or enter an idle state and also wait for a new task to be queued. This queue is circular and may have any number of tasks for the system up to a few finite limits.
Q. Explain crossbar exchange, with all call processing steps and diagrams. Ans: The basic concept of crossbar switching is to provide a matrix of n x m sets of contacts with
Q. A 6.6-kV line feeds two loads connected in parallel. Load A draws 100 kW at 0.6 lagging power factor, and load B absorbs 100 kVA at 0.8 lagging power factor. (a) For the comb
what is bias compensation
Q. In a depletion MOSFET for which V P = 3 V and I DSS = 11mA, the drain current is 3mA when v DS is set at the largest value that will maintain ohmic region operation. Find v G
The following four output displays of an oscilloscope (right hand side, below) show waveforms of a biased diode ac circuit. An example is illustrated on the left hand side. VIN is
explain dynamically induced emf and derive expression for it
Terminal The oval symbol show below in indicate terminal of the program. Usually words like START BEGIN STOP END are written in terminal symbol. START
Q. The first four harmonics in the Fourier series of current waveform given by where I m = 15 mA and T = 1 ms. If such a current is applied to a parallel combination of R
Define Sampling Frequency? Since real analog signals consist of several frequencies, spectrum of the input signals should be limited to make sure that no signal energy exists a
a. Determine the ratio of cross section of a circular waveguide to that of a rectangular one, if each is to have similar cut off wavelength for its dominant mode. b. Compare wav
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