Interrupts and Interrupt Service Routines — Study Resources & PYQs
Interrupts and interrupt service routines
- Estimated study time: 50 minutes
Study resources
- NMI, INTR, INT Type, Interrupt Vector Table (Article) — Explains hardware interrupts (NMI, INTR), software INT instructions (type 0–255), interrupt vector table structure at 00000H–003FFH, and ISR execution cycle.
- ISR & Interrupt-Driven Transfer (Article) — Clear Indian textbook-style explanation of ISR, interrupt-driven data transfer, classification of interrupts, and NMI/INTR pin operation. Well-structured for exam use.
- 8086 Interrupts – Types & ISR (Article) — Tutorialspoint page covering all 8086 interrupt types, INT instruction formats, INTA signal, and interrupt service routine execution steps. Simple and clear layout.
Taught in these subjects
- Microprocessors and Interfacing — ECT-1502 · Government College of Engineering and Technology, Jammu