The 26 Most Awesome Happy Meal Toys Of The '90s. Technically, any toy that came with food was pretty great. But these were exceptional.
In this case, primary storage typically refers to random access memory (RAM), while secondary storage refers to the computer's internal hard drive. RAM, commonly called memory, is considered primary storage, since it stores data that is directly accessible by the computer's CPU.
It's internal in the sense that data is stored in the primary memory for quick access by the processor. Secondary storage stores programs and information that isn't needed immediately. Another difference is that primary is generally faster than secondary memory. This is mostly to cut down on the cost of the computer. Fast memory is expensive and seeing that fast memory is more necessary for primary storage it is implemented there.