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Q. Explain Read-only memory?
ROM is nonvolatile (because it maintains its contents even when its power is shut off) and is used to store data and programs that do not change during the operation of the system. The mask-programmed ROMs are read-only devices that are programmed for data storage during the manufacturing of the chip itself. These are generally less expensive devices for mass production. Character-font memory for laser printers is a good example. Programmable read-only memory (PROM) is a field-programmable memory that is fabricated by the manufacturer containing all 0s and is programmed irreversibly by the user by electrically changing appropriate 0s to 1s. PROMs are quite economical in small quantities. Erasable programmable read-only memory (EPROM) is nonvolatile and widely used in microprocessor systems for program storage. It can be erased by shining an ultraviolet light and reprogrammed if necessary. These are produced in lowtomoderate volumes.
Q. The following data were obtained on a 25- kVA, 2400:240-V, 60-Hz, single-phase distribution transformer: • Open-circuit test with meters on LV side: 240 V, 3.2 A, 165 W •
Vital parameters of regulator quality: 1. The output voltage's temperature coefficient of is the change in output voltage with temperature (perhaps averaged over a certain tem
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WHAT ABOUT THE STABILITY IF WE USE COMPENSATOR
Q. How time slot interchange switch works in time multiplexed time switching, Elucidate using schematic. Ans: Switches for which inlets and outlets are trunks that carry tim
an example and code for bargaining problem
how can I use switching diodes to achieve SPDT "relay" function? 2 inputs 12vdc..for BI-Color LED.
I want to know whether the circuits for both methods(linear polarization resistance and electrochemical impedance spectroscopy) are same or not?
Voltage Tripler and Quadrupler: Voltage Tripler an extension of the half wave voltage across each diode is 2Vm as it is for the filter capacitor circuit. It should be obvious
Design and draw a circuit using the cascade system to operate two cylinders (A and B) which, on the operation of a start valve, produces the sequence A - B + B - A+. The cylinder
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