What Is Software Vs Firmware. Software can be replaced without much hassle while replacing firmware is often difficult. It can be compared to an app on your smartphone.
Both firmware and software are snippets of code running on the hardware inside your phone and other gadgets. It is not really meant to be interacted with by the user once it is there. To run embedded software a device needs to be equipped with a microprocessor or microcontroller.
Firmware is a program that is specifically designed to work with particular hardware and it lives in non-volatile memory such a flash and it is executed directly from it.
Originally Firmware is written on Masked ROMs on which the data cannot be changed once written. To run embedded software a device needs to be equipped with a microprocessor or microcontroller. The fact that firmware resides in memory that is limited in size means that a firmware program must be small in size. Firmware is a program that is specifically designed to work with particular hardware and it lives in non-volatile memory such a flash and it is executed directly from it.