PackageRja(摄氏度W)Rjc(摄氏度W)
SO1412530
D1P810052
ostsuitablepackagetohahepowerdissipatiohoutaheatsinkandwhy。
软件笔试题
1。HowdoyoufiniteloopinC?
2。Volatile:
(1)Whatdoesthekeywordvolatilemean?Giveanexample
(2)aparameterbebothdvolatile?Giveanexample
(3)terbevolatile?Giveanexample
3。Whatarethevaluesofa,b,ahefollowinginstrus:
inta=5,b=7,c;
c=a+++b;
4。Whatdothefollowiionsmean?
(1)ta;
(2)intsta;
(3)t*a;
(4)int*sta;
(5)intst*ast;
5。Whichofthefollowisdescribetheuseofthekey
(1)Withinthebodyofafun:Astaticvariablemaintainsitsvaluebetweenfuions
(2)Withiicvariableisaccessiblebyallfunswithinthatmodule
(3)Withiilybecalledbyotherfunswithinthatmodule
6。Embeddedsystemsalwaysrequiretheusertomasiersivenanintegervariablea,writetwments。
&shouldsetbit5ofa。Theseuldclearbit5ofa。Inbothcases,theremainingbitsshouldbeunmodified。
7。Whatdoesthefollowingfuurn?
charfoo(void)
{
ua=6;
ihtb=-20;
charc;