⤳ In this chapter, I’ll cover how the CPU fetches, decodes, and executes the instructions of a computer program. Central Processing Unit*, known as the CPU is where the execution of instructions happens. The CPU is the brain of your computer and interacts with the memory (RAM) over the system ...
⤳ A computer program is a sequence of instructions for a computer to do a particular task. A task can be a simple as calculating a simple value or something more sophisticated, like playing music or browsing the web. All computer programs work in the same way; they ...
⤳ In recent years, various job titles have emerged. Some of these job titles are valid, and some are just fancy made-up names. Due to the fact the skills overlap across job titles, it’s tricky to say what skills fall under what role. However, let’s try ...
⤳ SEO or Search Engine Optimization is the process of enhancing a website’s traffic by increasing its visibility (a.k.a impressions) on search engine results pages (SERP). Constant optimizations on the content, site performance, usability, and link profile significantly improve your website’s search engine visibility. No matter ...
⤳ Several years ago, companies had to set up their own data centers with all the equipment needed to get their software into the hands of their customers. Smaller websites used web hosting services or even shared-hosting solutions. Things are different now. Today, you can create ...
⤳ Version control means recording the changes made to a file over time. Version control enables programmers to see the evolution of files over time and roll back to a certain point in time if needed. It ensures nothing gets lost, and there’s always a way ...
⤳ Software testing is the process of verifying if a program or its building blocks work as expected. We do software testing before making a program live. There are two main approaches to software testing, Passive Testing and Active Testing. Passive Testing is the practice of ...
⤳ Debugging is the process of examining a computer program to find and fix the issues (a.k.a bugs 🪲) that cause the program to deliver unexpected results. Debugging can be done in two ways: The first approach is to place temporary print statements at specific locations ...
⤳ Learning a programming language is an excellent thing to do these days, but do you know what’s even better than that? Learning how to learn a programming language. If you understand the concepts programming languages share, you’ll be able to pick up any programming language ...
⤳ A shell interacts with the operating’s system’s kernel via an API. On the other hand, it’s an interface between us and the kernel, which is the heart of the operating system. These services include file management, starting/terminating applications, and a lot more. Shells can be ...