hi
以下是今天我面試所遇到的考題
來這裡請教一下大家:
Q1:以下哪一段程式碼在arm plarform執行有較好的performance?
1.char fun (char a) {
return a+1;
}
2.short fun (short a) {
return a+1;
}
3.int fun (int a) {
return a+1;
}
Q2:interrupt不能做甚麼
a.setup DMA control
b.system call
c.fetch device data
d.record time
e.trigger another I/O
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※ 編輯: apey 來自: 114.34.227.2 (06/13 23:23)
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