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What do you understand by DRAM and its refreshing?
Dynamic RAM (DRAM) is fundamentally the same as SRAM, but this retains data for only 2 or 4 ms on an internal capacitor. But after 2 or 4 ms, the contents of the DRAM should be fully rewritten (refreshed) since the capacitors that is store logic 1 or logic 0, lose their charges. The whole content of the memory is refreshed with 256 reads in a 2-to-4 ms interval. Also refreshing occurs throughout a write, a read or a particular refresh cycle.
what is FPGA ..
what is working of dc machines?
Interrupt latency refers to the amount of time among when an interrupt is triggered and when the interrupt is observe by software.
hi, i want to know the transfer function of a radiator
Describe 74LS139 memory decoder. The 74LS139 is a dual 2-to-4 line decoder. This contains two separate 2-to-4 line decoders - all with its address, output and enable connection
conversion of auto transformer in to winding transformer and vice versa
1. Data is to be transmitted using a modem at 9600 bps. Determine the minimum bandwidth of the system with the following modulation methods (a) FSK (b) ASK. Use the excess
what is the definition of logic gates
Reverse bias Reverse biased generally refers to how a diode is employed in a circuit. If a diode is reverse biased, the voltage at the cathode is gets higher than that at the
Q. Explain Solid-State Control of DC Motors? Dc motors, which are easily controllable, have historically dominated the adjustable-speed drive field. The torque-speed characteri
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