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.
Low Coolant or Antifreeze. A low coolant level is probably one of the most common causes of overheating. Also known as antifreeze, coolant is necessary to keep the car engine functioning within normal temperatures. The problem has a simple solution: refill the coolant and avoid neglecting the levels in the future.