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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.
Draw a circuit of TTL gates with Wired-AND connection and explain its operation. Wired - AND Connection In digital IC's NAND and NOR gates are most frequently used. For th
What are the different sections of a report? A report is categorized into many sections: The Report header: In this you place a control which must appear only at the startin
The fields specified by select-options and parameters statement cannot be grouped together in the selection screen. No, It can be grouped together in the selection screen
why to learn data base?
HTML is a Hyper text Markup Language and it is Scripting Language
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If a programmer doesn't wish to make modifies to the document he can lock the document data and its code from more changes by changing the extension of the file system to .MDE. Cha
Discuss about Charles Babbagein brief Mechanism for advancing or reversing of control card were allowed therefore enabling execution of any desired instruction. In ot
Design issues: To complete the maximum processor utilization in a multithreaded architecture, the following design issues have to be addressed: Context Switching time: S
Home Entertainment: E-commerce has led to HOME ENTERTAINMENT. The video aspect usually includes a large-screen and/or high definition television or a projection system.
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