computers

12345678
Across
  1. 2. computer OS by Microsoft
  2. 3. Open source OS launched in 1991
  3. 8. Mobile OS by Google
Down
  1. 1. First OS in C language
  2. 4. Mobile OS by Apple
  3. 5. An open-source OS based on Linux
  4. 6. Computer OS by Apple
  5. 7. Microsoft Disk OS