Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Doretha Clemons, Ph.D., MBA, PMP, has been a ...

What are open-source operating systems? Underpinning an operating system, for example Windows on your PC or Android on your phone, is many, many lines of code. Allowing anyone to inspect the source ...

The computer's master control program. When a computer is turned on, a small "boot program" loads the operating system. Although additional system modules may be loaded as needed, the main part, known ...

Operating systems such as Microsoft Windows, Linux and Apple OSx are the software “bridge” between application code and computer hardware. It’s the operating system (OS) that defines the capabilities ...

Modern operating systems are all far more secure than their historic counterparts, but which operating system is the safest? That somewhat depends on how you use it — no operating system is “safe” if ...

Even with all of the advances in IT, whether it’s modular hardware, massive cloud computing resources, or small-form-factor edge devices, IT still has a scale problem. Not physically—it’s easy to add ...

Developers talk a lot about “immutability.” Outside the technical world, it usually means something negative: unmoving, inflexible, and entrenched. However, in the technical field, these features ...

Ultimately, every problem in the constantly evolving IT software stack becomes a database problem, which is why there are 418 different databases and datastores in the DB Engines rankings and there ...

*Note: This course description is only applicable for the Computer Science Post-Baccalaureate program. Additionally, students must always refer to course syllabus for the most up to date information.