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 ...

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 ...

LAS VEGAS -- Times are tough out there for the operating system: Its lucrative spot in "the stack" between hardware and software is, at least for businesses, becoming just a container for a virtual ...

Experience has shown that the portability, speed of development and built-in run-time support (the C Standard Library) of C far outweigh the relatively small cost of using it. As it turns out, much ...

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 ...

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 ...