IT-Prüfungen ARM EN0-001 ARM Accredited engineer www.it-pruefungen.ch

QUESTION NO: 1
In a Cortex-A9 processor, when the Memory Management Unit (MMU) is disabled, which of the following statements is TRUE? (VA is the virtual address and PA is the physical address)

A. VA == PA; No address translations; instructions and data are not cached
B. VA! = PA; No address translations; instructions may be cached but not data
C. VA == PA; Address translations take place; data may be cached but not instructions
D. VA == PA; No address translations; instructions may be cached but not data

Answer: D

QUESTION NO: 2
In the Generic Interrupt Controller (GIC), when an interrupt is requested, but is not yet being handled, it is in which of the following states?

A. Inactive
B. Active
C. Pending
D. Edge-triggered

Answer: C

QUESTION NO: 3
A simple system comprises of the following memory map:
Flash – 0×0 to 0x7FFF
RAM – 0×10000 to 0X17FFF
When conforming to the ABI, which of the following is a suitable initial value for the stack pointer?

A. Top address of RAM (0×18000)
B. Top address of flash (0×8000)
C. Bottom address of RAM (0×10000)
D. Bottom address of flash (0×0000)

Answer: A

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QUESTION NO: 4
A program running on a development board that is connected to a host using a debugger can access a file on the host by using:

A. Memory mapping
B. Semihosting
C. Polling
D. Virtual I/O

Answer: B

QUESTION NO: 5
In which type of storage will the compiler preferentially place frequently accessed variables?

A. Stack
B. Heap
C. Registers
D. Hard disk

Answer: C

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QUESTION NO: 6
What view in a debugger displays the order in which functions were called?

A. The Call Stack view
B. The Memory view
C. The Registers view
D. The Variables view

Answer: A