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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.
brifly explain capacitance switching
Octal Number Systems Now the question may arise in one mind that why to learn octal number system when neither human nor the digital systems uses. It hence it is
What do you mean by variability in oxidation state of transition metals different from that of the non transition metals? Illustrate with examples.
Explain Nodal analysis (supernode)
Collector-to-base bias: Figure: Collector-to-base bias This configuration uses negative feedback to avoid thermal runaway and stabilize the operating point. In th
1. The circuit is: A circuit which lights a LED when a voltage is above 14 volts and flashes the LED (at about 1 Hz) below 10 Volts. The circuit should also continuously sounds
i have an assignment related to magnetic field i have attached the( MRI assignment sheet)[1] please read it carefully in the assignment 2 methods to get the results - one by
Hoe to start?
Q. Illustrates typical thermal noise waveform? In general, any physical resistor or lossy device can be modeled by a noise source in series with a noiseless resistor, as shown
why is detecting the time of islanding relevant?
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