Microsoft has acquired 23-year old Express Logic, which provides real time operating systems (RTOS) for IoT and edge devices running on microcontrollers (MCUs). This is another move that sees the firm belatedly accepting that the new world of IoT, edge and 5G means it has to abandon the idea that Windows is suited to everything. Under previous CEO Steve Ballmer, Microsoft wasted a lot of effort squeezing Windows into applications for which it was ill-suited, particularly in the embedded and low power markets. Windows Mobile, Embedded, Auto and others were always outshone by Linux-based options, while the single-OS strategy always kept the software giant out of the MCU world. That was of little account when RTOS ran on specialized, relatively…