IBM memory
There are many types of IBM memory chips that are available for use in computer systems. If you want to understand the differences of each, you can visit wikipedia or any online resources to that you will not get confused. To give you a quick idea these IBM memories took several decades of development before it was assembled by computer hardware engineers and scientist.There are hierarchical presentation of these memories broken down into RAM ( Random Access Memory), Hybrid memories and ROM ( Read Only Memory). For more a complete definition of each types, visit online references.
