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, ...

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 ...

This course provides an overview of System Programming for the Linux operating system, or software which is interfacing directly with the Linux Kernel and C library. The basic components of a Linux ...

This guide was reviewed by a Business News Daily editor to ensure it provides comprehensive and accurate information to aid your buying decision. There’s no denying that software runs the world, and ...

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 ...

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 ...

Motorola has launched its first handset powered by Linux, in a move being closely watched by those who see a bright future for the open-source operating system on portable devices. The US handset ...