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How DRAM's are different from SRAM's? Why DRAMs are said to employ address multiplexing?
Dynamic RAM (DRAM) is fundamentally similar as SRAM, except that this retains data for only 2 or 4 ms on an internal capacitor. In this after 2 or 4 ms, the contents of the DRAM should be fully rewritten (refreshed) because the capacitors, that store logic 1 or logic 0, lose their charges. The whole content of the memory is refreshed along with 256 reads in a 2-to-4 ms interval. Refreshing also arises throughout a write, a read or throughout a special refresh cycle.
Convert number systems from one base to another, and apply the binary number system to logic circuits 1. Convert the following decimal numbers to binary a. 81 10 b.
different types of probe
Normalizing
Q. A current of 65 A is measured with an analog ammeter having a probable error of ± 0.5% of full scale of 100 A. Find the maximum probable percentage error in the measurement.
In order to demonstrate aliasing, make a plot of the signal x(t) = 3 cos 2π10t - cos 2π30t which approximates a square wave with W = 30 Hz. If the sample points are taken at
Q. What is transconductance? Explain its significance from the transfer characteristics. Transconductance is the transistor gain of the JFET; it indicates the amount of control
Q. (a) Determine the voltage at A in Figure . (b) With V i = 10 V, R 1 = 10 k, R 2 = 1000 , and A = 100, find the current i .
Q. Develop a schematic diagram of a system in which the D/A converter of Figure can be employed in a digital voltmeter.
Q. Explain the Importance of distributing frames? Basically four levels of cabling are used as displayed in Figure. At the subscriber end, drop wires are taken to a distributio
Derive the mathematical expression for steady state error of first order system with unit ramp signal. Discuss the following - proportional cum integral control - proporti
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