Interrupts
Everything on SkillVeris tagged Interrupts — collected across the glossary, study notes, blog, and cheat sheets.
5 resources across 2 libraries
Study Notes(2)
Interrupts in Arduino
Use hardware interrupts to respond instantly to events without constant polling, with attachInterrupt(), trigger modes, volatile variables, and safe ISR design.
Interrupts Explained
How hardware interrupts, software interrupts, and CPU exceptions divert execution to handler routines, and how the IDT ties it all together.
Interview Questions(3)
Kernel Mode vs User Mode
Kernel mode is a privileged CPU execution state where the operating system can execute any instruction and access all hardware directly, while user mode is a r…
What is Direct Memory Access (DMA)?
Direct Memory Access (DMA) is a hardware mechanism that lets a peripheral device transfer data directly to or from main memory without routing every byte throu…
Context Switch vs Mode Switch: What Is the Difference?
A mode switch is the CPU transitioning between user mode and kernel mode privilege levels while staying within the same process, whereas a context switch is th…