최신ARM Accredited engineer - EN0-001무료샘플문제
문제1
In an ARMv7-R processor, with which level of the memory system is the Memory Protection Unit (MPU) associated?
In an ARMv7-R processor, with which level of the memory system is the Memory Protection Unit (MPU) associated?
정답: C
문제2
In the CPSR, 1=0 and F=1. Which of the following is TRUE in this case?
In the CPSR, 1=0 and F=1. Which of the following is TRUE in this case?
정답: D
문제3
Implementing loops using a decrementing counter which exits the loop when a counter reaches zero can be beneficial for power and performance. This is because:
Implementing loops using a decrementing counter which exits the loop when a counter reaches zero can be beneficial for power and performance. This is because:
정답: A
문제4
Literal pool loads to access constants at run-time can be minimized by:
Literal pool loads to access constants at run-time can be minimized by:
정답: B
문제5
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?
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?
정답: D
문제6
In an MPCore system, when one core is waiting for resources to be released, what instruction could be used to reduce that core's power consumption?
In an MPCore system, when one core is waiting for resources to be released, what instruction could be used to reduce that core's power consumption?
정답: A
문제7
When an ARMv7-A MPCore system is in SMP mode, which of the following TWO operations can the processor handle automatically? (Choose two)
When an ARMv7-A MPCore system is in SMP mode, which of the following TWO operations can the processor handle automatically? (Choose two)
정답: A,D
문제8
Which of the following techniques can be used to obtain a precise count of clock cycles when profiling software over an arbitrarily long period of time using the Performance Monitoring Unit?
Which of the following techniques can be used to obtain a precise count of clock cycles when profiling software over an arbitrarily long period of time using the Performance Monitoring Unit?
정답: C
문제9
In a single-processor system, which of these operations requires a barrier instruction to guarantee correct operation?
In a single-processor system, which of these operations requires a barrier instruction to guarantee correct operation?
정답: D