In the last lesson, you encountered the concept of a Real-Time Operating System (RTOS), and you worked out a manual procedure of switching the context from one thread to another. In this lesson, ...

This course provides an introduction to Kernel programming for the Linux operating system, and the development of Linux kernel drivers for Embedded devices. The Yocto build system is introduced, which ...

A note from the Editor in Chief: Scientific American is celebrating its 166th year. Given its history as the longest continuously published magazine in the U.S., it's probably no surprise that it has ...

Modern CPUs can run in two modes: kernel mode and user mode. When a CPU runs in kernel mode, an extended set of instructions is allowed, as is free access to anywhere in memory and device registers.

This fifth lesson on RTOS finally addresses the real-time aspect of the “Real-Time Operating System” name. Specifically, in the video lesson 26, you add a preemptive, priority-based scheduler to the ...

Linux is a tried-and-true, open-source operating system released in 1991 for computers, but its use has expanded to underpin systems for cars, phones, web servers and, more recently, networking gear.

Opinions expressed by Entrepreneur contributors are their own. Since the arrival of smartphones, a healthy debate has raged over which mobile operating system reigns supreme. The conversation ...

The history of computing could arguably be divided into three eras: that of mainframes, minicomputers, and microcomputers. Minicomputers provided an important bridge between the first mainframes and ...

My name is Charles Thomas Wilkes (my preferred name is “Tom”). I am very fortunate to have rejoined the faculty of the UMass Lowell Miner School of Computer & Information Sciences in 2017, after being ...