computer science

The study of the principles and use of computers. You can't go wrong with https://en.wikipedia.org/wiki/Computer_science

software engineering

Programmer vs Software Engineer

My take for a response to a Code Project thread discussion about a "programmer" vs a "software engineer".

Open Source Software

Bit Masks

Bit masks are a computer science concept; in a nutshell, they represent options which can be combined in a variety of ways. A very basic example colors. Blue and Green combined create yellow. This can be represented in bit masks. The following example is sourced from the Bit field article