Summary: in this tutorial, you will learn about C variables that allow you to manipulate data in your program. A variable is a meaningful name of data storage location in computer memory. When using a variable, you refer to a memory address of computer.
Overheating of the CPU caused by a temperature problem is definitely a bad sign as it can destroy the processor and can cause instabilities in the hardware of the system. This can lead to it rebooting as well.
Not so much. An overheating engine is more than a bummer, it can be an expensive engine killer that will leave you on the side of the road, then on to the repair shop for a serious repair bill. If your car has been running hot, you know the feeling.