A process is an instance of a program being executed by an OS. The OS manages the processes in something called a Process Control Block (PCB). This helps it keep track of what is running, how much memory is being used and where, the program being run, the current instruction address, etc. Your operating system as a…
The modern OS is a complex structure comprised of millions of lines of code. Not all information is released, and is this core components, or everything including additional apps that have been included? Mac OS X Tiger (10.4) ~ 84 Million Lines of Code Windows Vista (2009) ~50 Million Lines of Code Debian 7.0 (2012)…
Book chapter notes: The operating system (OS) is the software that runs on the bare hardware of a computer and provides essential support for users to develop and use applications in the most efficient and safe manner. The OS will also serve as an abstraction layer for the user/applications to interact with hardware. The OS can serve…
An array is not really a datatype, but a collection of variables, (usually) of the same type. However, arrays are handled differently in different languages. Sometimes they act as an object, and thus there is an Array Class, sometimes it is a pointer to memory, usually their size is static, but not always. Each language…
We’ve talked about arrays, now let’s look at how they are created in Java. In a general form, you can find something like below: Obviously type would be something like int, float, or even a class name as you can have an array of objects. Declaring an Array This means that the following are ways…
As was mentioned earlier, creating a LinkedIn Account is different from other social media accounts. Where it’s acceptable, and normal, on Facebook or Instagram to have a photo of you out surfing, or at a party, that tends to be looked down on in LinkedIn. Instead, you want to focus on making yourself look as…
Most people are familiar with social media. We use it keep in touch with friends and family, (humble) brag about our accomplishments, or even outright boast about really cool travels. There are different types of social media for different things. Facebook, Twitter, Instagram, etc, all have their own niches and uses. LinkedIn is one of…
In part 1 of Using an OS, we looked at user management, basic security, and file explorer. While Windows has made it easier to store files logically, it is still up to the user. Too often I’ve seen people with hundreds of files on their desktop. Often there, just “temporarily” until they no longer need…
