With this in mind, there are different types of memory used with these gadgets.
Two men, George Smith and Willard Boyle, came up with the idea for the first charge-coupled device, or CCD, while they were brainstorming new types of memory for computers.
You also have the option of creating both types of memory books about your child's kindergarten experience: a traditional album for your family and friends, and a digital one to share with relatives that live far away.
Be careful with the different types of memory cards, however, as they are not compatible with one another!
In most cases these types of memory lapses are considered normal as you grow older, and are due to physical changes that take place with age.