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18 Delphi笔试题目(第2页)

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;

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