How does the magnetic memory of a computer work?

Since all information for a computer is a set of signals like “yes” or “no”, this information can be recorded on a magnetic disk in the form of alternating sections with different polarity of magnetization.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.