It is often included in devices not traditionally thought of as having computer control. Today, embedded firmware exists in everything from smartphones to internet of things ( IoT) devices. He used the term to describe a type of microprogram in between hardware and software. Firmware may be written into read-only memory ( ROM), erasable programmable read-only memory ( EPROM) or flash memory.Īmerican computer scientist Ascher Opler is said to have coined the phrase firmware in a 1967 issue of the publication Datamation.
Hardware makers use embedded firmware to control the functions of various hardware devices and systems, much like a computer's operating system ( OS) controls the function of software applications.
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