Explanatory Question
When should we use the register storage specifier?
Read the answer carefully and go through the related questions on the right side to improve your understanding of this topic.
If a variable is used most frequently then it should be declared using register storage specifier, then possibly the compiler gives CPU register for its storage to speed up the look up of the variable.
First read the answer fully, then try to explain it in your own words. After that, open a few related questions and compare the concepts. This method helps you remember the topic for a longer time and improves exam preparation.