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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.
A Master group consists of? A master group have 300 voice channels.
Firewalls While getting one firewall for the company's Intranet it should be well known that firewalls come in both hardware and software forms, and that even though all firew
Lists out some applications of Shift Register. Ans: Applications of Shift Registers: a. Serial to Parallel Converter b. Parallel to Serial Converter c. Delay li
What is "the principle of locality"? It's the nature of the processes that they refer only to the small subset of the total data space of the process. I.e. the process frequ
Q. Explain Relative Addressing Scheme? In this addressing technique the register R is the program counter (PC) which contains the address of current instruction being executed.
What is model? A universe together with an assignment of relations to relation symbol is known as a model. A model M is a tuple (U, P1, P2..Pk), where U is the universe and P
How to develop an object model To develop an object model firstly identify classes and their associations, as they affect overall problem structure and approach. Then prepare
What is XMS Memory system is divided into 3 main parts. TPA (transient program area), system area and XMS (extended memory system). Type of microprocessor in your computer sign
What is an I/O channel? An I/O channel is actually a special purpose processor, also known as peripheral processor. The main processor initiates a transfer by passing the need
What are the desirable features of an Electronic Market Place? Features of an Electronic Market Place: 1. Its electronic and business center is not a physical building qu
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