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.
The most common cause of truly random crashes is an overheating computer. The most common cause of an overheating computer is blocked airflow through the computer, followed by a failing or failed fan. You probably know that there are fans in your computer whose job it is to move cooler air throughout so as to cool down the components therein.