Question

what role does the memory play in the functioning of a computer system?

Answer 1

There are from memory do you mean Ram? or hard disk or Solid state drive
Ram means Random access memory it helps you to store certain data which need to be used frequently and again and again. It is also called volatile memory.
where HDD or Hard Disk Drive are mechanical components which used to store the os and your data.
And SSD not mechanical components because they use circuit in them SSD are faster there's less chance of wear and tear but they are expensive compared to a traditional hard disk

Answer 2

mainly people use this term memory for RAM
RAM helps us to store temporary memory in computer system.. it also helps us to store the commands and task in it..
RAM stands for: Random Access Memory..