"(%"
BdYZa<%,('B[\#H^cXZ&&$&&
To complete a typical operation, the
operator does the following:
1.
:mVb^cZh i]Z ldg`e^ZXZ id bV`Z hjgZ ^i ^h
hj^iVWaZ[dgXjii^c\#
2.
6Y_jhihi]ZWaVYZi^ai!^[cZXZhhVgn!idi]ZXdg"
gZXiVc\aZd[i]ZYZh^gZYXji#
3.
6Y_jhihi]ZWaVYZ]Z^\]iidcdbdgZi]Vc
&
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)
]^\]Zgi]Vci]Zi]^X`cZhhd[i]Zldg`e^ZXZ#
4.
6Y_jhihi]Z[ZcXZidi]ZYZh^gZYl^Yi]d[Xji
i]ZcadX`h^i^ceaVXZ#
5.
8]ZX`h i]Z dji[ZZY h^YZ d[ i]Z bVX]^cZ
[dg egdeZg hjeedgi VcY id bV`Z hjgZ i]Z
ldg`e^ZXZXVchV[ZaneVhhVaai]ZlVni]gdj\]
i]ZWaVYZl^i]dji^ciZg[ZgZcXZ#
6.
Ejih dc hV[Zin \aVhhZh VcY V gZhe^gVidg#
AdXViZhejh]hi^X`h$WadX`h^[cZZYZY#
7.
HiVgihi]ZhVl#
8.
;ZZYhi]Zldg`e^ZXZVaai]ZlVni]gdj\]i]Z
WaVYZl]^aZbV^ciV^c^c\[^gbegZhhjgZdci]Z
ldg`e^ZXZ V\V^chi i]Z iVWaZ VcY [ZcXZ! VcY
`ZZe^c\ ]VcYh VcY [^c\Zgh dji d[ i]Z WaVYZ
eVi]VcYVlVn[gdbi]ZWaVYZ#
9.
Hidehi]ZbVX]^cZ^bbZY^ViZanV[iZgi]ZXji
^hXdbeaZiZ#
Operation Overview
I]ZejgedhZd[i]^hdkZgk^Zl^hidegdk^YZi]Zcdk"
^XZbVX]^cZdeZgVidgl^i]VWVh^XjcYZghiVcY^c\
d[]dli]ZbVX]^cZ^hjhZYYjg^c\deZgVi^dc!hd
i]ZbVX]^cZXdcigdah$XdbedcZcihY^hXjhhZYaViZg
^ci]^hbVcjVaVgZZVh^ZgidjcYZghiVcY#
9jZ id i]Z \ZcZg^X cVijgZ d[ i]^h dkZgk^Zl! ^i ^h
not
^ciZcYZYidWZVc^chigjXi^dcVa\j^YZ#IdaZVgc
bdgZ VWdji heZX^[^X deZgVi^dch! gZVY i]^h Zci^gZ
bVcjVa VcY hZZ` VYY^i^dcVa igV^c^c\ [gdb ZmeZ"
g^ZcXZY bVX]^cZ deZgVidgh! VcY Yd VYY^i^dcVa
gZhZVgX]djih^YZd[i]^hbVcjVaWngZVY^c\]dl"
idWdd`h!igVYZbV\Vo^cZh!dglZWh^iZh#
Non-Through &
Through Cuts
:mVbeaZh d[ cdc"i]gdj\] Xjih ^cXajYZ YVYdZh
VcYgVWWZih#Cdc"i]gdj\]Xjih]VkZV]^\]Zgg^h`
d[ ^c_jgn [gdb `^X`WVX` WZXVjhZ i]Z WaVYZ \jVgY
bjhiWZgZbdkZY#=dlZkZg!i]Zg^k^c\`c^[ZBJHI
WZ^chiVaaZYWZXVjhZ^ihi^aaegdk^YZhhdbZegdiZX"
i^dc#L]ZcbV`^c\cdc"i]gdj\]Xjihl^i]VYVYd
WaVYZ!YdcdiViiZbeiidXjii]Z[jaaYZei]^cdcZ
eVhh#>chiZVY!iV`Zbjai^eaZa^\]ieVhhZhidgZYjXZ
i]ZadVYdci]ZWaVYZ#6YVYdWaVYZhbVaaZgi]Vc
&%
"
l^aagZfj^gZgZbdkVad[i]Zg^k^c\`c^[Z!WZXVjhZ
i]Zg^k^c\`c^[Zl^aaWZ]^\]Zgi]Vci]ZWaVYZ#
Non-Through Cuts
Figure 37.
:mVbeaZd[Vcdc"i]gdj\]Xji#
6 cdc"i]gdj\] Xji ^h V hVl^c\ deZgVi^dc l]ZgZ
i]ZWaVYZYdZhcdiegdigjYZVWdkZi]Zide[VXZd[
i]ZlddYhidX`!Vhh]dlc^ci]Z
Figure
WZadl#
Figure 38.
:mVbeaZd[Vi]gdj\]XjiWaVYZ
\jVgYcdih]dlc[dg^aajhigVi^kZXaVg^in#
Through Cuts
6i]gdj\]Xji^hVhVl^c\deZgVi^dc^cl]^X]i]Z
ldg`e^ZXZ^hXdbeaZiZanhVlci]gdj\]!Vhh]dlc
^ci]Z
Figure
WZadl#:mVbeaZhd[i]gdj\]XjihVgZ
g^eXjih!XgdhhXjih!b^iZgXjih!VcYWZkZaZYXjih#
I]ZWaVYZ\jVgYVhhZbWanBJHIWZjhZYl]Zc
eZg[dgb^c\i]gdj\]Xjih#