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AAE EN0-001 Exam Dumps

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Question 12

When timing a critical function for an algorithm, using platform time functions such as get time of day (), the result is unpredictable; there is significant variance in the measured time between different runs of the benchmark. Which of the following strategies would improve the accuracy of the measurement?

Options:

A.

Time multiple executions of the algorithm and average the result

B.

Break the algorithm into smaller pieces and time them individually

C.

Run the code on a software model of the platform and collect the results on that system

D.

Add some code with a known overhead to the algorithm to make it run slower, and remove the overhead afterwards

Question 13

To return from a Data Abort handler and re-execute the aborting instruction, what value should be loaded to the PC?

Options:

A.

PC=LR

B.

PC=LR44

C.

PC=LR-4

D.

PC=LR-8

Question 14

Which of the following statements best describes a Board Support Package (BSP)?

Options:

A.

PC interface hardware for configuring a boot monitor

B.

Hardware specific source code needed for operating system support

C.

A working port of Linux for a specific hardware platform

D.

Debugging hardware and software supplied with a development board

Question 15

Which of the following operations would count as intrusive to normal processor operation?

Options:

A.

Tracing using Embedded Trace Macrocell (ETM)

B.

Halt mode debugging

C.

Monitor mode debugging

D.

Using the Performance Monitor Unit

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Exam Code: EN0-001
Exam Name: ARM Accredited Engineer
Last Update: May 17, 2024
Questions: 210
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