Examples of open source products include Open Office, the internet browser Mozilla Firefox, Wikipedia, the GNU/Linux operating system and its derivative Android, an operating system for mobile devices.
Answer:
If the microwave is considered as the computer system instead then the operating system in the microwave that deals with the whole functioning and carrying out operation will be done with the help of the embedded operating system.
The user interface in the microwave system which will help the user to interact with the device system will be done with the help of the keys that are present in the microwave for entering the input as options like start,stop,pause etc,mode and time.
I miss read the question the first time....the answer is C.
A scan/ digost scan? im not sure but normaly when ever my coumputer acts up i run a scan