20 Questions
What is compiled into a single binary file in an embedded system?
Application software
What is responsible for context switching and memory management in an embedded system using an operating system?
RTOS
In a barebone design without an OS, what handles the hardware side of the software?
Microcontroller specific drivers
In the context of embedded systems, what is often used interchangeably with software?
Firmware
What is responsible for handling the hardware side of software in an embedded system using an operating system?
Microcontroller specific drivers
What distinguishes firmware from software in terms of storage location?
Firmware is stored in the hardware’s flash storage
Which of the following statements about firmware is correct?
It cannot be modified or customized by the user
In the context of embedded systems, what do job listings for 'Embedded Firmware Engineer' and 'Embedded Software Engineer' indicate?
They refer to engineers with identical job descriptions
What is the main role of firmware in an embedded system?
To control the hardware directly
How does firmware differ from application software?
Firmware is hardware specific while application software is not
Firmware cannot control the hardware directly.
False
Software (application software) sits on top of the OS and has no direct interaction with hardware.
False
Firmware is usually intended to be modified or customized depending on the user’s preference.
False
Firmware is very large in size and can be programmed multiple times.
False
In the context of embedded systems, firmware and software are always used interchangeably.
False
In a barebone design without any OS, you have to write the application software with the help of microcontroller specific drivers, RTOS files, and third-party drivers.
False
When working with a barebone design, all the files for handling the hardware side of software are compiled into a single binary file.
True
In an embedded system using an OS, the RTOS takes care of both context switching and memory management, allowing the application software to directly interact with the hardware.
False
The terms 'firmware' and 'software' are used interchangeably in the context of embedded systems, regardless of whether an OS is used or not.
False
In the context of embedded systems, if an engineer is responsible for writing the application software with the help of microcontroller specific drivers and third-party drivers, it is likely that they are an Embedded Firmware Engineer.
True
Explore the differences between firmware and software in this simple comparison table. Understand the roles and functionalities of firmware and software, and how they interact with hardware and operating systems.
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