Going back to the basics to solidify my foundation, one each quarter. Good Practice makes one a better engineer!

Digital Electronics using [1] Operating Systems using [2] Functional Data Structures using [3] Graphics Algorithms [4]

Any recommendations for these subjects sincerely appreciated. Thanks.

[1] https://www.amazon.com/Digital-Design-Computer-Architecture-... [2] https://www.amazon.com/Modern-Operating-Systems-Andrew-Tanen... [3] https://www.amazon.com/Purely-Functional-Structures-Chris-Ok... [4] https://www.amazon.com/Graphics-Visualization-Principles-Alg...

The more you practice, the more you can, the more you want to, the more you enjoy it, the less it tires you.” ― Robert A. Heinlein, The Cat Who Walks Through Walls

Have you looked at http://www.amazon.com/Modern-Operating-Systems-Andrew-Tanenb...? I have around the house an earlier version, which gets pretty down and dirty.