Question

What is firmware? State the use of firmware.

Answer 1

Answer:

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. Firmware may be written into read-only memory (ROM), erasable programmable read-only memory (EPROM) or flash memory.

Answer 2

Explanation:

Firmware:

• Firmware is software or a program written on to nonvolatile memory
• It is added to the system at the time of manufacturing
• Controls various functions of hardware devices
• Now it acts as embedded software which is used right from smart phones to IOT.

Uses of firmware:

• To provide permanent instructions for the devices to communicate with each other
• To perform basic input and output tasks

Example:

• Code inside a printer
• Software controlling a heart defibrillator.