Firmware is a kind of software program that’s embedded in {hardware} units. It’s chargeable for controlling the low-level capabilities of the gadget, corresponding to the way it interacts with different units and the way it responds to consumer enter. Firmware is often saved in ROM (read-only reminiscence), which implies that it can’t be simply modified or up to date. Examples of firmware embrace the BIOS (fundamental enter/output system) on a pc motherboard, the firmware on a digital digital camera, and the firmware on a cellular phone.
Firmware is necessary as a result of it permits {hardware} units to perform correctly. With out firmware, units wouldn’t be capable to carry out fundamental duties, corresponding to turning on, responding to consumer enter, or speaking with different units. Firmware additionally performs a job in safety, as it may be used to guard units from malware and different threats.
