Firmware
Firmware
Dedicated software built into an electronic device to control it.
In Simple Terms
Firmware is the program already built into devices like home appliances and digital cameras, and it makes sure the device runs correctly. For example, when a rice cooker adjusts the temperature for cooking rice, or a washing machine measures out the amount of water, it's the firmware giving those instructions. Computers and smartphones always have it too, and it lays the groundwork by getting the hardware ready first, before the OS (such as Windows or iOS) starts up.
Behind the Name
Firmware combines the English words "firm" (solid, fixed) and "ware" (product/goods). The name reflects the idea of software that's "solid," fused to the hardware, and can't be rewritten as easily as ordinary software. It's packed with the most basic instructions needed to make a device run.
Take a Closer Look!
Firmware is the basic software written directly into an electronic device to operate its hardware.
It's built into almost every electronic device out there — not just computers and smartphones, but also home appliances like rice cookers and microwaves, digital cameras, routers, and more.
Put simply, it plays a role like breathing life into a machine.
For example, when a key is pressed on a keyboard, firmware detects it and sends it to the computer as a dedicated signal (a key code). The computer then takes that signal and finally displays it as a character on the screen.
Acting as the bridge between hardware and software, it ties the machine's parts together so they don't operate separately.
Users generally don't need to think about firmware directly, but it sometimes needs to be updated to improve performance or fix bugs.
This is called an update, and manufacturers sometimes release these.
However, turning off the power during an update can break the device and leave it unusable, so it needs to be done carefully.