Which Interrupt Has The Highest Priority?

TRAP is the internal interrupt that has the highest priority among all interrupts except the divide by zero exception.

Which Interrupt has the highest priority in 8086?

Hardware Interrupts –

(A) NMI (Non Maskable Interrupt) – It is a single pin non maskable hardware interrupt which cannot be disabled. It is the highest priority interrupt in 8086 microprocessor.

Which one of these is highest priority interrupt?

Explanation: The Non-Maskable Interrupt input pin has the highest priority among all the external interrupts. Explanation: TRAP is the internal interrupt that has highest priority among all the interrupts except the Divide By Zero (Type 0) exception.

Which interrupt has highest priority in 8051?

Reset is the highest priority interrupt, upon reset 8051 microcontroller start executing code from 0x0000 address.

Which interrupt has the lowest priority?

INTR. It is a maskable interrupt, having the lowest priority among all interrupts.

What are the two types of interrupts?

There are mainly three types of interrupts:

  • External interrupts: It arises due to external call from I/O devices.
  • Internal interrupts: It arises due to illegal and erroneous use of an instruction or data.
  • Software interrupts: It is initiated by executing an instruction.

What is the RST for the trap?

INTR, RST 7.5, RST 6.5, RST 5.5 are maskable interrupts in 8085 microprocessor. TRAP is a non-maskable interrupt. It consists of both level as well as edge triggering and is used in critical power failure conditions.