[理工] [計組]99交大資聯

看板Grad-ProbAsk作者jim055006 (好崩潰)時間14年前 (2012/01/10 10:45)推噓4(4推 0噓 13→)

留言17則, 5人參與討論串3/4 (看更多)

1. I is an integer variable. Which of the following expressions give the correct result of (1/8)? a)(I+7)>>3 b)(I>0?I>>3:(I+7)>>3) c)I>>3 d)(I+((I>>31)&7))>>3 答案給BD 是要如何判斷呢?? ------------------------------------------------------------------------------- 2. http://ppt.cc/c!ej 答案給CD 請問C為什麼是正確的?? ------------------------------------------------------------------------------- 3. Which of the following values have identical representation no matter whether the machine is big-endian or little-endian? a)Integer 0 b)IEEE single precision +0.0 c)Integer -1 d)IEEE single precision NaN 答案是給ABC 請問C為什麼正確?? ------------------------------------------------------------------------------- 以上請高手解惑鋼溫~~ -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 223.140.176.223

推

jackbll

01/10 10:49, , 1^F

01/10 10:49, 1^F

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jackbll

01/10 10:50, , 2^F

01/10 10:50, 2^F

推

jackbll

01/10 10:53, , 3^F

01/10 10:53, 3^F