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Last Attempt EN0-001 Questions

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Total 210 questions

ARM Accredited Engineer Questions and Answers

Question 29

A standard performance benchmark is being run on a single core ARM v7-A processor. The performance results reported are significantly lower than expected. Which of the following options is a possible explanation?

Options:

A.

L1 Caches and branch prediction are disabled

B.

The Embedded Trace Macrocell (ETM) is disabled

C.

The Memory Management Unit (MMU) is enabled

D.

The Snoop Control Unit (SCU) is disabled

Question 30

The disassembly of a program written in C shows calls to the function__aeabi_fadd. Which one of these compiler floating point options could have been used?

Options:

A.

Hard floating-point linkage

B.

Soft floating-point linkage without floating-point hardware

C.

Hard floating-point linkage with optimization for space

D.

Soft floating-point linkage with floating-point hardware

Question 31

When setting the initial location of the stack pointer and the base address of the heap, the ARM EABI requires that the:

Options:

A.

Base address of the heap must be the same as the initial stack pointer.

B.

Stack pointer must be 8-byte aligned.

C.

Heap must be in external RAM.

D.

Initial stack pointer must be the lowest addressable memory location.

Page: 8 / 8
Total 210 questions