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Firmware Reference Libraries

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Read Only Memory
2010-09-27 16:59:05

Read only memory, or ROM, is a type of storage media that is used by computers and other electronic devices. The data stored in ROM cannot be modified, therefore it is largely used to distribute firmware. The most straightforward type of ROM is about as old as semiconductor technology. It is called mask ROM, and it was introduced along with the integrated circuit. Mask ROM is made up of a grid...

Firmware
2010-09-08 11:08:26

Firmware is a term commonly used to represent the small fixed programs and data structures that internally control various electronic devices. The Institute of Electrical and Electronics Engineers Standard Glossary of Software Engineering Terminology defines firmware as "The combination of a hardware device and computer instructions and data that reside as read-only software on that device."...

2010-09-02 14:56:06

A control store is the element of a CPUs control unit that stores the CPU's micro program and is usually accessed by a micro sequencer. A control store is usually executed as a diode-selection of read-only memory. This tradition dates back to 1947 when the program timing matrix on the MIT Whirlwind was initially introduced. The earliest models of IBM mainframe had read-only control store;...

Word of the Day
cock-a-hoop
  • Exultant; jubilant; triumphant; on the high horse.
  • Tipsy; slightly intoxicated.
This word may come from the phrase 'to set cock on hoop,' or 'to drink festively.' Its origin otherwise is unclear. A theory, according to the Word Detective, is that it's a 'transliteration of the French phrase 'coq a huppe,' meaning a rooster displaying its crest ('huppe') in a pose of proud defiance.' Therefore, 'cock-a-hoop' would 'liken a drunken man to a boastful and aggressive rooster.'
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