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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.
What is a shift register? Can a shift register be used as a counter? If yes, explain how? Ans: Shift Register: A register wherein data gets shifted towards left or right
Q. Convert the following BINARY numbers into OCTAL, double check by converting the result OCTAL to BINARY. a) 111.111 b) 10110111 c) 0.11111
How to manage the web based projects? Many project management applications contain additional functions useful in the management of group projects. These features may contain g
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define file system
Explain the outsourcing barriers that an organization faces. 1. Critical operations that cannot be outsourced. 2. Negative customer reaction. 3. Employee resistance. 4
converting 10 ASCII characters to excess three using mplab ide
The code where all successive numbers differ from their preceding number by single bit is ? Ans. Gray Code, where all successive numbers are different from their preceding nu
How will you form an 8 bit adder using 2 four bit adder IC's 7483? Ans: 4 bit adder IC is IC 7483. This has two four bit data inputs and output carry, 4 bit data output carr
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
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