RU
15
"njn eybdthcfkmysq gekmn eghfdktybz cjdvtcnbv c ,jkmibycndjv vfhjr Ntktdbpjhjd c
byahfrhfcysv eghfdktybtv> j,kflf/ob[ aeyrwbzvb
Pr+ Pr-
b bpujnjdktyys[ gjckt 1993 u.
Pfghjuhfvvbhjdfysq yf pfdjlt gekmn ghtlyfpyfxty lkz eghfdktybz ntktdbpjhfvb uheggs
NJVCJY.
{hfybnt 'ne bycnherwb/> f nfr;t cgbcjr rjljd !gjcnfdkztvs[ jnltkmyj@> ds cvj;tnt
dgjcktlcndbb ghjuhfvvbhjdfnm gekmn lkz eghfdktybz lheubvb fggfhfnfvb.
Gjckt ecnfyjdktybz ,fnfhttr gjghj,eqnt eghfdktybt dfibv ntktdbpjhjv> ghtldfhbntkmyj
pfgecnbd tuj d ltqcndbt. Tckb ntktdbpjh yt htfubhetn> ds ljk;ys ddtcnb jlby bp rjljd
jnltkmyjuj cgbcrf !yfb,jktt xfcnj dcnhtxftvst rjls yf[jlzncz d yfxfkt cgbcrf@& lkz 'njuj
cktleqnt yb;tjgbcfyyjq ghjwtlehs.
Ddjl rjlf
Ghzvjq ddjl rjljd
Lkz ddjlf dfituj rjlf ytgjchtlcndtyyj bp cgbcrf rjljd%
1.
Drk/xbnt dfi ntktdbpjh.
2.
Yfqlbnt d jnltkmyjv cgbcrt c rjlfvb> cnhfybwf 1> nt> rjnjhst cjjndtncnde/n vfhrt
ghtlyfpyfxtyyjuj dfvb eghfdktyb/ ntktdbpjhf.
3.
Gjllth;bdfqnt d yf;fnjv cjcnjzybb ryjgre
mute
(4)
b ryjgre
B
B
(2)
lj nt[ gjh> gjrf rhfcysq
erfpfntkm
(1)
cdtnbncz
.
4.
D nj dhtvz> rfr erfpfntkm cdtnbncz> ddtlbnt dfi nht[pyfxysq rjl> bcgjkmpez ryjgrb !
3
@
program.
∧
!gthdfz wbahf@>
program.
∨
!dnjhfz wbahf@ b
!nhtnmz wbahf@.
GHBVTH
:
Lkz ddjlf rjlf
027,
yt yf;bvfqnt yf ryjgre
program.
∧
,
f yf;vbnt yf ryjgre
program.
∨
ldf hfpf b yf
ctvm hfp
.
Rf;lsq hfp ghb yf;fnbb yf jlye bp ryjgjr
rhfcysq erfpfntkm ,eltn vbufnm.
5.
Lkz pfobns rjlf yf;vbnt yf ryjgre
mute
(4).
Rhfcysq erfpfntkm
(1)
gjufcytn
.
Tckb
bcgjkmpetvsq rjl jncencndetn bp cgbcrf> rhfcysq erfpfntkm ,scnhj pfvbuftn d ntxtybt 3
ctreyl> pfntv gjufcytn.
6.
Ghjdthmnt rjl% yfghfdmnt gekmn eghfdktybz d cnjhjye ntktdbpjhf b ecnfyjdbnt gjcktlybq d
cjcnjzybt gjrjz> yf;fd yf ryjgre
B
B
.
Fdnjvfnbxtcrbq cgjcj, gjbcrf rjlf
1.
Drk/xbnt dfi ntktdbpjh.
2.
Gjllth;bdfqnt d yf;fnjv cjcnjzybb ryjgre
mute
(4)
b ryjgre
B
B
(2)
lj nt[ gjh> gjrf rhfcysq
erfpfntkm
(1)
cdtnbncz.
3.
Yfghfdmnt gekmn eghfdktybz d cnjhjye ntktdbpjhf b gjghj,eqnt gjufcbnm tuj> yf;fd jlby hfp yf
ryjgre
B
B
(2)
.Tckb fggfhfn yt gjufity> yf;bvfqnt pfyjdj yf ryjgre
B
B
(2)
cnjkmrj hfp> crjkmrj
gjyflj,bncz !lj 200 hfp@> gjrf fggfhfn yt gjufcytn. Vt;le ldevz yf;fnbzvb gjlj;lbnt> gjrf
rhfcysq erfpfntkm
(1)
yt gjufcytn> f pfntv pfujhbncz !jrjkj 1 ctr.@. "nj gjpdjkbn dfv
eljcnjdthbncz d htfrwbb fggfhfnf.
4.
Rfr njkmrj dfi ntktdbpjh gjufc> yf;vbnt ytvtlktyyj yf ryjgre
mute
lkz pfytctybz d gfvznm
ghjuhfvvbhjdfybz. Rhfcysq erfpfntkm !
1
@ gjufcytn.
Rjl> pfytctyysq d gfvznm dfituj gekmnf eghfdktybz
Xnj,s epyfnm rjl> pfytctyysq d gfvznm dfituj gekmnf eghfdktybz%
1.
Gjllth;bdfqnt d yf;fnjv cjcnjzybb ryjgre
mute
(4)
b ryjgre
B
B
(2)
lj nt[ gjh> gjrf rhfcysq
erfpfntkm
(1)
cdtnbncz
.
2.
Yf;vbnt yf ryjgre
volume-
.
3.
Lkz dbpefkbpfwbb gthdjq wbahs rjlf yf;vbnt yf ryjgre
program.
∧
b cxbnfqnt crjkmrj hfp
vbuftn rhfcysq erfpfntkm
(1).
Jy gjufcytn gjckt gjcktlytuj vbufybz. Lkz $0$ erfpfntkm yt vbuftn.
4.
Lkz dnjhjq wbahs rjlf yf;vbnt yf ryjgre
program.
∨
b cxbnfqnt crjkmrj hfp vbuftn rhfcysq
erfpfntkm
(1).
5.
Lkz nhtnmtq wbahs rjlf yf;vbnt yf ryjgre
b cxbnfqnt crjkmrj hfp vbuftn rhfcysq
erfpfntkm
(1)
.
PFVTXFYBT
:
Rjl> pfjxyj pfytctyysq d gfvznm dfituj gekmnf eghfdktybz 165& jy cjjndtncndetn
,jkmibycde Ntktdbpjhjd vfhrb NJVCJY b ytrjnjhsv Ntktdbpjhfv cktle/ob[ vfhjr% Cf,f> <hfyln>
Athu/cjy> Yjhlvtylt b Ntktaeyrty.
Rjl
TV
Gjckt njuj> rfr rjl dfituj fggfhfnf yfqlty> pfgbibnt tuj. Ds
cvj;tnt kturj djcgjkmpjdfnmcz bv d ckexft ytj,[jlbvjcnb.
Jgbcfybt ryjgjr
Ghb yf;fnbb yf jlye bp ryjgjr cdtnjdjq erfpfntkm pfujhbncz rhfcysv wdtnjv.
B
B
:
Pfgecr ntktdbpjhf d ltqcndbt bkb d cjcnjzybt j;blfybz.
/-
b
program.
∧
/
∨
:
Yfcnhjqrf uhjvrjcnb b bpvtytybt ghjuhfvvs.
:
Jnrk/xtybt bkb djccnfyjdktybt pderf.
4
3
2
1
ROC130 7/05/99 20:03 Page 15