| DATA PROCESSING PRINCIPLES. 511. Basic File Concepts. |
1969 |
Edutronics Inc. |
|
Super 8mm |
Color |
sound |
| DATA PROCESSING PRINCIPLES. 512. Basic File Maintenance. |
1969 |
Edutronics Inc. |
|
Super 8mm |
Color |
sound |
| DATA PROCESSING PRINCIPLES. 513. Sequential And Direct Files. |
1969 |
Edutronics Inc. |
|
Super 8mm |
Color |
sound |
| DATA PROCESSING PRINCIPLES. Data Processing Principles. |
|
Edutronics Inc. |
|
Super 8mm |
Color |
sound |