Interrupt Service Routine
Everything on SkillVeris tagged Interrupt Service Routine — collected across the glossary, study notes, blog, and cheat sheets.
3 resources across 1 library
Interview Questions(3)
What is an Interrupt?
An interrupt is a signal to the CPU, generated by hardware or software, that forces the processor to pause its current instruction stream and immediately trans…
Polling vs Interrupt-Driven I/O: What Is the Difference?
Polling is where the CPU repeatedly checks a device’s status register in a loop until it is ready, while interrupt-driven I/O lets the CPU do other work and re…
What is a Device Driver and Why Does an OS Need One?
A device driver is a piece of kernel (or kernel-adjacent) software that translates the operating system’s generic I/O requests into the specific commands a par…