Exception priority levels in ARM Architecture - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the sentence to identify the highest priority exception type in ARM architecture.

ARM Architecture

The highest priority exception in ARM is the [1] exception.

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ASoftware Interrupt

BUndefined Instruction

CReset

DPrefetch Abort

Attempts:

3 left

💡 Hint

Common Mistakes

Confusing Reset with Software Interrupt as highest priority.

The Reset exception has the highest priority in ARM architecture because it initializes the processor.

2fill in blank

medium

Complete the sentence to identify which exception has lower priority than IRQ in ARM.

ARM Architecture

In ARM, the [1] exception has lower priority than IRQ.

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AFIQ

BUndefined Instruction

CReset

DPrefetch Abort

Attempts:

3 left

💡 Hint

Common Mistakes

Mixing up FIQ and IRQ priorities.

Undefined Instruction exception has lower priority than IRQ. FIQ has higher priority than IRQ.

3fill in blank

hard

Fix the error in the priority order: FIQ > {{BLANK_1}} > IRQ.

ARM Architecture

The correct priority order is FIQ > [1] > IRQ.

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APrefetch Abort

BReset

CSoftware Interrupt

DUndefined Instruction

Attempts:

3 left

💡 Hint

Common Mistakes

Choosing Reset or Software Interrupt incorrectly.

Prefetch Abort has higher priority than IRQ but lower than FIQ in ARM exception priority.

4fill in blank

hard

Fill both blanks to complete the ARM exception priority order: {{BLANK_1}} > {{BLANK_2}} > IRQ.

ARM Architecture

The priority order is [1] > [2] > IRQ.

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AFIQ

BPrefetch Abort

CUndefined Instruction

DSoftware Interrupt

Attempts:

3 left

💡 Hint

Common Mistakes

Swapping Prefetch Abort and Undefined Instruction.

FIQ has the highest priority, followed by Prefetch Abort, then IRQ in ARM exception priority.

5fill in blank

hard

Fill all three blanks to complete the ARM exception priority order: {{BLANK_1}} > {{BLANK_2}} > {{BLANK_3}}.

ARM Architecture

The priority order is [1] > [2] > [3].

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AReset

BFIQ

CIRQ

DUndefined Instruction

Attempts:

3 left

💡 Hint

Common Mistakes

Confusing IRQ with FIQ priority.

Reset has the highest priority, followed by FIQ, then IRQ in ARM exception priority levels.