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EN0-001 Exam Questions & Answers

Exam Code: EN0-001

Exam Name: ARM Accredited engineer

Updated: Nov 11, 2024

Q&As: 210

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Practice These Free Questions and Answers to Pass the ARM Certification Exam

Questions 1

Which of the following processors includes a Generic Interrupt Controller as a standard component?

A. Cortex-A8

B. Cortex-M3

C. Cortex-R4F

D. Cortex-A9 MPCore

Show Answer
Questions 2

The following pseudocode sequence shows a flag being set to indicate that new data is ready to be read by another thread:

data = 123;

ready = true;

Assuming that the reader threads may execute on any other core of a multicore system, which of the following is the most efficient memory barrier to place between the two writes to prevent them being observed in the opposite order?

A. DSBSY

B. DSBST

C. DMBSY

D. DMBST

Show Answer
Questions 3

A function written in C has the prototype:

void my_function(float a. double b, float c);

The function is built and linked into an application using hard floating-point linkage. What registers are

used to pass arguments to the function?

A. a->s0; b->d0; c->s1

B. a->s0; b->d1; c->s1

C. a->d0; b->d1; c->d2

D. a->s0; b->d1; c-> s2

Show Answer
Questions 4

A C code segment contains three calls to a function, foobar ().

This code segment is to be linked with a static library that defines foobar ().

Ignoring inlining, how many copies of foobar () will the ARM linker place in the output?

A. None

B. Always one

C. Always three

D. One or more depending on optimization level

Show Answer
Questions 5

When building code for both ARM and Thumb states, which tool decides for each function call whether to use a BL or BLX instruction?

A. The linker

B. The archiver

C. The compiler

D. The assembler

Show Answer

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