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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.
p type material: p type material is formed by doping aerial crystal with impurity atoms having three valance electrons. The diffused impurities with three valence electrons
Q. For the 4-bit D/A converter of Figure with V ref =-5 V, determine the range of analog output voltage and the smallest increment. Ans. The binary input range is from 0
Q. Basic elements of a digital communication system? Figure illustrates the basic elements of a digital communication system. For each function in the transmitting station, th
Simbulation
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I have all my report about Vehicle suspension systems . But I need the simulation and hardware test for this project. I need you to do it and give me the observation.
Q. For the coupled coils shown in Figure, a dot has been arbitrarily assigned to a terminal as indicated. Following the dot convention presented in the text, place the other dot in
Q. Analyze the 2-bit R-2R ladder-network D/A converter, and corresponding to binary 01, 10, and 11, obtain the equivalent circuits and determine the analog output voltage as a frac
If a compressor in a system can change a message crest factor from 3.2 to 2, while maintaining its peak amplitude constant, find the decibels of improvement in signal-to-noise rati
What is the importance of RS232-C in serial communication? RS-232 that is Recommend Standard number 232 and C is the new revision of the standard. The serial ports on main comp
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