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Define HRQ?
The hold demand output requests the access of the system bus. In non- cascaded 8257 systems, this is linked with HOLD pin of CPU. In cascade mode, this pin of a slave is linked with a DRQ input line of the master 8257, whereas that of the master is linked with HOLD input of the CPU.
Q. A bandpass filter circuit is shown in Figure. Develop a PSpice program and use PROBE to obtain a Bode magnitude plot for the transfer function ¯H(f) = ¯Vout/ ¯Vin for frequency
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Find the resistance of 800 m of copper cable of cross-sectional area 20 mm . Take the resistivity of copper as 0.02 Ωm.
Issues for Installation of Meters The subsequent should also be ensured: a) Appropriate crimping device should be used for crimping the lugs. Thimbles should be of appro
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Compute the Fourier Transform of the following function: f(x) = exp( - x 2 /(2σ 2 )) cos (2πx/k) where σ and k are constants. What is the minimum sampling rate required
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Explain modes of operation of programmable interval timer 8254. Mode 0 - Interrupt upon terminal count Mode 1 - Programmable one-shot Mode 2 - Rate Generator Mode 3 -
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