Classification
DKAT - Computer utilities
9
DMF - Software engineering
2
CAN - Chemistry - mathematical methods, computer applications
1
DIA - System programming
1
DKA - Operating systems
1
DOZ - Programming languages - Other
1
DUA - Text and document processing
1
DVA - Data and file management
1
DVAG - Business graphics, spreadsheets
1
DWA - Database systems
1
TBC - Electronic circuits
1