Category Computer Systems & Architecture

Computer Systems & Architecture

How an Operating System Manages Processes

Reading Time: 6 minutesEvery modern operating system is constantly juggling dozens, hundreds, or even thousands of running programs. Web browsers, databases, background services, and system daemons all compete for CPU time, memory, and I/O. At the center of this orchestration is one key concept: the process. In this article, we’ll explore how an operating system (OS) manages processes: […]

Computer Systems & Architecture

RAM vs ROM: What’s the Real Difference?

Reading Time: 3 minutesDespite being among the most commonly used hardware terms, RAM and ROM are still frequently misunderstood. Many users assume that ROM is simply “phone storage,” or believe that increasing RAM will magically speed up every device. This confusion isn’t surprising — modern electronics blur the lines between different types of memory. In this guide, you’ll […]

Computer Systems & Architecture

How a CPU Actually Works: A Simple Explanation

Reading Time: 5 minutesWhat Is a CPU, Really? The CPU is often called the “brain” of the computer, but a better analogy is a very fast, very obedient instruction follower. It does not think; it simply: Reads an instruction from memory. Figures out what the instruction means. Performs the required operation. Moves on to the next instruction. These […]