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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.
Define Sigma-Delta Analog to Digital Converters? Sigma-Delta ADCs have the benefit of being implemented almost totally in the digital domain. They are extremely reliable, high
I need assistance in building a circuit for my invention ,I am a electronic tech with limited knowledge but designing and building a proto model is a little out of my expertise ce
Qestions: a) Draw the approximate equivalent circuit for a single phase power transformer. Identify all circuit elements and briefly explain their physical relevance. b) S
What are the Advantages of digital cameras Advantages of digital cameras over manual cameras include: no processing costs (As there is no need to develop film or make prints),
Q. Transient behavior of a control system? The transient portion of the time response of a stable control system is that part which goes to zero as time increases and becomes s
A LIT (linear time-invariant) system, impulse response h [ n ], is described by: (a) Show the block-diagram representation for this FIR filter (only use multiplier, adder
Q. An n-channel JFET is given to have V P = 3V and I DSS = 6 mA. (a) Find the smallest value of v DS when v GS =-2 V if the operation is to be in the active region. (b) D
a. Explain the meaning of amplitude modulation? Show that the AM output having two sidebands and the carrier frequency. b. Illustrate that the equivalent parallel impedance of a
1. The photon fluence rate is 10 7 photons mm -2 sec -1 for a beam of γ rays. One fourth of the photons have energies of 100 keV, one half have energies of 80 keV and the remain
Forward bias In forward bias, the p-type is linked with the positive terminal and the n-type is linked with the negative terminal.In forward bias mode the PN junction operati
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