5. Computers
1.
Computer Era - 36th Edition -
Seagate
2.
Microsoft MS-DOS
Operating System Version 5.0 - Joanne Woodcock [1991]
3.
WordPerfect 5.1, Tips
and Tricks, Fourth Edition - Alan R. Neibauer [1990]
4.
Small &
Medium-Sized
5.
Teach Yourself Dos -
covers all Dos and PC Dos through Version 3.3 - Herbert Schildt