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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.
Latch A 8 bit latch comprises of transparent latch D flip flop. It is commonly used to interface output device with microprocessor. A typical example of such 8 bit latc
State whether Lamis theorem is applicable for more than three coplanar concurrent forces?
Q. A rectangular air-?lled RG-52/U is made of brass (ρ = 3.9 × 10-8 m) and has dimensions a = 22.86 mm and b = 10.16 mm. (a) Determine ¯ Z0(= R0) at the limits of the practica
Types of cells and batteries are:- a. Carbon-zinc cell b. Nickel-cadmium cell c. Alkaline celld. d. Edison cell e. Mercury cell
How does a Mach-Zehnder Modulator work in Silicon?
1. (a) Consider a sinusoidal signal m(t) = A cos(2 Π f m t) applied to a delta modulator with step size . Determine the range of the step size so that slope overload will be avoide
In a CDMA system, the signal is spread over a large bandwidth by multiplying the transmitted symbol by a sequence of short pulses, also called chips. The
Flicker noise: I’d like to plot the graph of the flicker noise found in the data sheet for the amplifier (will be provided later) and also generate the equation for that graph sho
field effect transistor as switch?
Consider the basic MOSFET circuit shown in Figure with variable gate voltage. The MOSFET is given to have very large V A , V T = 4V,and I DSS = 8 mA. Determine i D and v DS for
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