ComputersUstaad

you saw two kinds of storage, temporary permanent, The CPU uses temporary storage called primary storage or memory to temporarily hold both data and instructions while it is processing them, primary storage is much faster to access than permanent storage, some times called secondary storage, how ever when they are not being used, the data and instructions must be kept in permanent storage, sometimes called secondary storage, such as a floppy disk CD or hard drive shows an analogy to help you understand the concept of primary and secondary storage, suppose you must do some research at the library, you go to the stacks and pull out several books carry them over to a study table and sit down with your notepad and pencil to take notes and do some calculations but yo don't take the books with you, in this example the stacks are permanent
storage and the books (data and instructions) are permanently kept there the table is temporary storage a place for you to kept data and instructions as you work with them, the notepad is your output from all the work and you are the CPU doing the work.