1. A. Frank 89-287 File Organization Internal/External Memory Technologies

2. 2 A. Frank Memory Hierarchy Technologies

3. 3 A. Frank Memory Clusters InternalExternalElectronic Disks 3 Memory Hierarchies/Clusters

4. 4 A. Frank Internal Memory CoreOthersMOS RAM/ROM Internal Memory Cluster

5. 5 A. Frank Core Memory (1)

6. 6 A. Frank Core Memory (2)

7. 7 A. Frank Core Memory (3)

8. 8 A. Frank Core Memory (4)

9. 9 A. Frank Core Memory (5)

10. 10 A. Frank ROM/RAM Semiconductor Chips

11. 11 A. Frank Electronic Disks EBAMMBMCCD Electronic Disks Cluster

12. 12 A. Frank Charge Coupled Devices (CCD)

13. 13 A. Frank Magnetic Bubble Memory (MBM)