Across
- 1. 1992 - OS by Oracle
- 5. 1998 - First modern Mobile OS
- 7. 2008 - Mobile OS by Google
- 8. 1985 - Computer OS by Microsoft
Down
- 2. 2007 - Mobile OS by Apple Inc
- 3. 1971 - First OS in C Language
- 4. 1991 - Open-source OS
- 6. 1981 - Microsoft’s Disk OS