| Date | ��� / ��� |
| Date Time | ��� - ���� |
| Datuam | �� (弬�) |
| Daughter board | ���� ���� |
| DBMS- Data Base Management System | ����� �������� ����� |
| DC | �� - ������������ |
| DCOM | ��� - ��被����� ���������� |
| DCTL | �꤯��� - ���� ��� ��������� |
| DDD- Direct Distance Dialling | ���- ���� ��� ܬ�� |
| DDL- Data Definition Language | �����-�� ����� ���� |
| Dead halt | ��� ����� |
| Dead letter box | ��� ���� ��좮 |
| Dead lock | ���� 郎� |
| Deallocation | �覴 ������� |
| Deamon | ������ ( �������� ��袰� ����) |
| Debit card | ���� �좬� |
| Deblocking | ������� |
| Debounce | �� �� �� |
| Debug | �� �袰 |
| Debugger | �� ��� |
| Debugging | �� ����� |
| Debugging aids | �� �袰 ������� |
| Decatenate | ���� ��� |
| Deceleration time | ��� ���� |
| Dechotomising search | 褬�� ����� |
| Decimal | ������ |
| Decimal arithmetic, floating | ���� ������ ���覴 |
| Decimal code | ������ ������ |
| Decimal digit | ����� ����� |
| Decimal notation, binary coded | �� ������� ������ ���� |