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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.
Q. Define Various classes of Interrupts? Figure below gives list of some common interrupts and events which causes occurrence of those interrupts. Figure: Various clas
Describe the Working of CRT The electron beam produces a tiny, bright visible spot when it strikes the phosphor-coated screen. A colour CRT monitor has three different coloured
Ferroelectric RAM is a random-access memory same in construction to DRAM but uses a ferroelectric layer rather of a dielectric layer to achieve non-volatility. FeRAM is one of a gr
What is the draw back of micro programmed control? It leads to a slower operating speed because of the time it takes to fetch microinstructions from the control store.
Determine the term- Security When using Internet, security can be enhanced using encryption. Debit and credit card transactions can also be protected by a specific type of pas
Why do we need to code a LOOP statement in both the PBO and PAI events for each table in the screen? We require coding a LOOP statement in both PBO and PAI events for every ta
What is macro-expansion? Macro calls lead to macro expansion. Throughout macro expansion, the macro call statement is replaced through a sequence of assembly statements.
There should be 1 server thread and N client threads, where N is supplied by the user as a command line argument. The server opens a file called "all_requests.dat", the file has
Why The JavaScript Validation Not Run on the Asp.Net? The Asp.Net Button Is post backed on the server & not yet Submit & when it goes to the server its states is lost so if we
I/O devices need to be matched up to computer application. - Computer-aided design (graph plotters, large screens, etc.) - Virtual reality (data gloves, data goggles, etc.)
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