A signal created and sent to the CPU that is caused by some action taken by a hardware device. For example, keystroke depressions and mouse movements cause hardware interrupts. See IRQ and interrupt.

This article discusses Hardware Interrupts in Windows and how to show the boot menu in Windows. A video at the MSDN blog shows Windows booting real fast – under seven seconds. The computer used was an ...

A computer cannot meet its requirements unless it communicates with its external devices. An interrupt is a communication gateway between the device and a processor. The allocation of an interrupt ...

Defining device drivers Discussing the difference between architecture-specific and board-specific drivers Providing several examples of different types of device drivers Most embedded hardware ...

Performance is a topic that never strays far from the mind of most embedded systems developers. However, relatively speaking, many of us have it easy. We develop soft real-time systems in which a few ...

What is this System interrupts process? Do you see System interrupts consuming high CPU usage in Windows Task Manager? Is it a virus or malware? Well, System interrupts an OS process, and if it is ...

Just as you can often treat device registers as a memory-mapped struct, you can treat an interrupt vector as a memory-mapped array. In my last column, I suggested that you use casts sparingly and with ...