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The most common type of non-volatile memory is the ROM device. This device is read only and the data is masked into the chip during manufacture. Variations of the ROM are one off programmable ones (PROM), erasable ones (EPROM) using UV light, electrical erasable ones (EEPROM). These devices allow the user to blow them with programs and re-program if incorrect. As engineers we will often use the EPROM version, the pinning details are shown below
The internal structure of the EPROM is similar the SRAM, but does not require a write pin; it employs light sensitive fuses to hold the data.
The actual device has a window in it, this enables the device to be cleaned using UV light, usually this window is covered up to prevent slow eraser by normal light.
Explain Recursive Descent Parsing It is a top down parsing with no backtracking. This parsing method uses a set of recursive processes to perform parsing. Most important advant
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1. Create the following ADTs. (a) Write the constructor function makestk, predicate function emptystk and mutator functions pushstk and popstk: i. makestk returns a new stack
Describe the various signalling techniques. Signaling systems link the variety of transmission systems, switching systems and subscriber elements in telecommunication network
a) Write the main differences among prototyping and incremental development. b) Explain the commonality and main differences among agile approach and RUP.
Reduce the following equation using k-map Y = BC‾D‾ + A‾BC‾D + ABC‾D + A‾BCD + ABCD Ans. Multiplying the first term with (A+A') Y = A'BC'D' + ABC'D' + A'BC'D + ABC'D + A'BCD +
Q. Interfacing of keyboards? The keyboard employs a special Input/output port which is similar to a serial port however doesn't explicitly follow the RS-232 serial port standar
What is difference between RAM and FIFO? FIFO certainly does not have address lines. It is stands for first in and first out. It is an algorithm based method. It is used to s
What are RDRAM? RDRAM are Rambus DRAM. Rambus needs specially designed memory chips. These chips use cell arrays based on the standard DRAM technology. Multiple banks of cell a
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