| Answer | Crossword Clue |
|---|---|
| IBMS | Some old PCs |
| XTS | Old IBM PCs |
| XTS | Old IBM PC's |
| MSDOS | Environment of many old PCs |
| HPS | Some PCs |
| IBMS | Some PCs |
| ATS | Some PC's |
| IBMS | Some PC's |
| DELLS | Some PCs |
| MACS | Some PCs |
| COMPAQS | Some PCs |
| IBMS | Some early PCs |
| KTS | Some chess pcs. |
| MSDOS | Some PCs use it |
| HPS | Some PCs and printers |
| CRTS | Components of some PCs |
| IBMS | Some of the first PCs |
