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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. Explain working of TTL NAND gate? The TTL logic family uses only transistors instead of a combination of transistors and diodes. TTL has the same high and low ranges as DTL.
Describe the construction of lead acid battery
Determine about the Wireless technology Wireless technology (WiFi) enables connection of a computer to Internet without the need for connecting cables. A router (comprising a m
y[n]=2z=1
Q. Explain with the help of a block diagram the working of harmonic distortion analyzer. OR Write short note on Harmonic distortion analyzer. Sol. Several methods h
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Example of high resistivity material is (A) Nichrome (B) Silver (C) Gold (D) Copper Ans: Nichrome is example of high resistivity
What is meant by Daisy Chaining method? It does not need any priority resolving network, rather the priorities of all the devices are effectively assumed to be in sequence.
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