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.
Secondary Storage. The disk drives in the computer are the most common form of secondary storage. The disk drive is nonvolatile and retains the information written to it after the power is turned off to the computer. Because it is a mechanical device, the disk drive is much slower than primary storage devices. All nonvolatile storage devices fall into the secondary storage class, including optical and tape drives.