m~'
THI
MON
KI
THUAT
f)1~N
Tlf
s6---;!-73C-
(De
2 -Thai gian 90 pillit -Khong d
iIng
titi
li~u)
I
COil
1:
TOI
thleu hoa ham sau bang phuong phap bia Karnaugh.
F(X".x).X
2
.x
I'X,,)=
::J
(0,2.5..8.10,15.16,18.19.20.24.31).
N=7.1323.29.
CHi)
2:
Ve
m~eh
d6i
j-k
FF
tMnh T-
FE(Cie
m~eh
logie dung NAND).
Cau
g:
TIliet
ke
mach c(lng nbi phan noi tiepdiing
j-k
FF.
':"-'
(Cilli)'
: Cae bili thi khong kern
de
bai
se
khong
duqc
cham diem).
.......
....
-
.... ....
~
",'
DE
THI
MON
KI
THU~T
D1!;N
Tll
SO
De 1 •
Thbi
!!ian
90
ph
lit
.
CaY
{:
T
oi
thi~u
hoa hi\m sau bang phuong pilar bia Karnaugil.
FC\".X).X,.X,.Xo)='J (0.1,2.3,6.9,n.13.1:'i,:
G,
17,18,19.22,25,27,29,31)
cae
trang thai khong
xac
dinh eua ham N=7.23 .
Caul.:
VieI ham sau du6i dang dai s6 dan gian nhitt
vir
thue
hi
en
hi\m chI bar,g
e<ic
mach
N/',ND.
Y(A,B,C)=~I(O.2.3.4.6).
CQ'u3: .
Viet dang dai so eho ham f(x,y.z.w) eho
bc)'i
Jl1~\eh
sau:
lviach
£iai ma
c6
bang that
.
'-
.....
.
c110
!fling
b<:lng
duai day: xy
zw
al
bi 0
1.2
3
~I
010
~Il
1
Yo~
f
o
11
1 0, 1 1 Ia
Yl_
loh
1 0
Ii:
iii
1 1 0
1
C4u4:
+
Lap
bang
th?t
eho
ham logic
F(A,B,q
th!!c
hi~n
cae
ehuc nang
sau
:
~
[ Ham
c6
gia
tri biing 1 khi
m(>t
trong cae bien eo gia
trj.
bang
0 ho\ic
ci\.
3
L bien
c6
gia tri biing
O.
.
+ Thuc
hi~n
ham
tren biing
m~ch
ch9n kenh.
(Chri )': Nqp bizi
kem
theo tie')
•
--
------~,
,'
,....
.A....
....
....
.,
~,
DE
THI MON
KI
THUJ;\T
DI~N
TV
SO
De 2 -
ThOi
gian
90
phUt
CallI:
T6i
thieili
hoa ham sau bilng phuong phap bia Kamaugh.
F(X4,X3,X:l,Xj
,X
o)=91(O,I,2,3,6,9,11,13.15,16,17,18,19.22,25,27,29,31).
Cac trang thai khong xac dinh clla ham N=7,23.
Cau2:
Viet ham sau
du6'i
d~ng
d~i
56
don gian nhat
va
thuc
hi,~n
ham chi
Mng
cae mach
NOP..
Y(A,B,C)=:J (0,2,3,4,6).
Cdll
3:
Vietdailg
dai
56
choham-f{X;y;z;wTchaboim?chsatr.
--------
Mach giai
rna
co bang
th~t
c
ho
trollg bilng duoi day:
lW
a b 0 1
i'R
y
~I
')
00 11
11
o 11 o 1
10
il
1 011
1 111 1
01
Cdll
-/:
+
Up
bang
th~t
cho
hil1nToi~ic
F(A,B.Crrhuc hien cae chuc nang sau :
I-jilm
co gia tri bang 1 khi m\\t trong cae bien co gia
trj
bang 1
hmlc
ea 3
bien co
giatri
bang
1.
+ Thue hien ham tren bang
m~ch
ch9n kenh.
(Clzzi
v:
Nop biii
kim
theo de)
"...
.....
-
....
,.,
.,
A'
DE
THI MON
KI
THU~T
DI!;:N
TV
SO
D~
(hi Ian 2
D
Call 1:
a)
T6i
thieiu
hoa ham sau bang phuong phap bia Kamaugh.
F(X4
,X
,
.X
2
,X,'xo)=J
(0,1,2,3,6,9,11,13,15,16.17.18,19,22.25.27,29,31).
Cac trang thai
khOng
xac dinh eua
ham
N=7,23 .
b)
Thuc hien
ham
tren bang cac mach NOR.
Cdll
2:
Viet ham sau
dlroi
d;ing
d~i
so
va
thrrc
hier..
ham bang
m~ch
giai mii va mach
mi.lch
AND. Y(A,B.C)=:11(C.2,3,4.6).
---,-
.
_._-~._---~-=--~~
~------
-_.
-----_.
..
-._-~~--=~.---:::;~~---.---
._--'-'
.
_.
_
~~_:._
-
~-~~"'=-~o=---:-=-~
,.~~~-----~
~
-~-~_~~:_~
-.-
..
..
-
........
-
"""=:,=",,:,-
-
=~,,-=-"'-~~~~...:-.-
- -
=_=
---------0
__
~_.~
-'
_.~~------
('!ill
3:
Viet dang
da.i.,.;o
eha
hitm f(x.y.z.\':)
eha
boi
mach
sau:
Mach giili rna e6 bang
th~t
cha
trang
bi'mg
uu6'i day:
.~
x y
zw
a b o12 3
o0o1 1 1
Yll
L--.--j
a
Y1
-
I'
o 11 0 1 1 b
'I
•
1 0
'1
1o1
1 1 1 1 1 0
Calf 4:
+ Lap bang
tll<!-t
eha
ham logic F(A,B,C) thue
hi~n
cae ehue nang sau :
Ham
c6 gia tri btmg 0 khi rn(lt
trang
cae bien
c6
gia tri
bang
0 ho;ie
cit
3
bien
e6
gia
tri bang
O.
+ Tllue
hi~n
ham tren bang mach
chc,m
kenh,
DE THI MON
Ki
THUAT
DI$N
TlJ
s6
De
2·
Thai
zian
90
phIi~
Crill
1:
TOl
thi~1I
haa
ham sau
bAng
phuong phap bja Karnaugh.
F(X4
.X,.x,.X"X
o)=91(O,1,2,3,6,9,11,13,15,16,17,18,19,22,25.27,29.31).
Ctc
lr'olng
thai
khong
xae dillh eua hitm
N=7,23.
Call 2:
. Viet
ham
sau
du6'i
da.ng~(li
56
dan
gian
nhat
va
thue hien
hamshi!J,LbJ:1'agn!l;g~
_
.dcmac::h NOR. Y(A,B,C)=3 (0,2,3,4,6).
Call
3:
Viet
#ng
d<;li
56
eha
ham f(x,y,z,W)
eha
boi
m<;leh
sau:
.'
Mach
giai rna
e6
bang
th~t
.-
eha
trang
bang
dum day:
[
,~
•
xY
-----I
a b o1 2 3
z:vt
====~
o0o 1 1 1
Jo-L--
Y f
a
Y.1_
o 1 1 0 1 1 b
yz
1 0 1 1 o1
1 1 1 1 1 0 j
Call
4:
•
---
-----------
-.
_.
-~
---
-.
...,-
----
+
Lip
bing
tha.t
cho ham logic F(A.B,C) thue hien cae ehuc nang
sau:
,
Ham e6 gia
IF!
bang 1 kill
rn¢1
lrong
cae
bien
c6
gia tIi bang 1 hoae d 3
bien co gia trj b5ng
1.
'
+
Th~re
hi~n
ham
tren bang
rn<).ch
eh<;>o
kenh.
( Chll j : Ni)p biii
kem
thea tie)
.
.#0......
_.
.... -
.....
_ ?
_,
BE
THI MON'
KI
THU~T
BIr;:N
TV
SO
(
D~
1 -Thai gia[j
.90
phut -
KMng
dung tai
li~u)
Cdul:
Toi Ihi6u
hm1
ham sau bang phuong phap bla Kamaugh.
F(X
4
,X"X2>X
1
,Xo)=~(0,2,5,8,1O,13,l6,
18,21 ,23,24,26.31).
N=7,9,15,29.
Call
2:
Viet
d<).Ug
d<).i
56
eho ham f(x,y,z,w) eho
hOi
m~eh
sau:
Mach giai rna co bang
Ih~t
ellO trang bang
duai
day: x
-'"
y,
a a a
"I 1 1
011011
II
all
1
OJ
11
1
ill
1l.JlQj
Call
3:
Vii
sa
do va gJaI thich mach dem khong dong
be)
modu! 5
dGog
JK-FF
(Cill!
y:
Cae bai thi khOng kern de b'\i
05;;
khOog duoe
cMm
di6m)
,...... A
--
- _
',.,
A .
.,'
A'
DE
THI MON
KI
THU~
T
BIr;:N
TV
SO
(De 2 -Thoi gian 90 phul -Khong dilrig tal
li~u)
"Cal( 1: Toi Ihi6u
hO:1
ham sau bang phuong phap bia Karnaugh.
F(X4
,X,.X"X"X
o)=
:J
(0,2.5,8,10,13,16.18.21.23.24.26,31).
--._-----
..
-------
-
-~
N=7,9,15,29.
Call'
2:
Viet dang d«i
so
eho ham f(x,y,z. IV) cho boi
m~ch
o5au:
M«eh giai rna e6 bang
Ih~t
cho trong bang duai day:
3x v
zw
Yo
f a
y,
1
11
lIb
yz
Vii
so
do va
gi3.i
thfch mach dem kh6ng dong
be)
modul5
dung'JK-FF.
(Chli :/ : Cae
b:li
thi khong kern
dd
Imi
sii
u'lung
dw;re
ehilm di6m).
------.......;.-------------
-_.
-----
---
~'._--
-
-~-'7_'=7"
..
·
-~--
;~~
_._-
CtalI:
T6i
thi~u
hoa ham sau
bftng
phuong plliip bia Karnaugh. •
F(X4.X;.X".xI.X(l)=~H(O.l.2.3.6.9.11.13.15.16,17.l8.19.22.25,27.29
.31
)
N=7.23:
'-
'
Call
2:,
_,
___
Hiiy
viet ham sau duai.dang
d~1
s6
dan
gian nhat
v~~nham
chi
bftng
die
m~hNAND.
.
Y(A.B.C)=:.i(O. L4.5.6).
Call
3:
.
Hay
li~t
ke
nhfrng t6 hqp bien
vilO
t\li
d6.f{x.y,z.w)=O.
"
".,
.4;
Cuu4:
Ve
bi6u
do
1
thai gian
C.B.A
III
clm
mach
ben
preset
......
~:
".
< '
l;.
.
c!'
.,
+.
I.
,,'
), ,.
.)~~.
DE
THI MON
Ki'THUATf)JENTa~"'I,,'
(Thai gian 90
ph6t-
Kho~g
dung
t~i
li~u)'
'
..
cl:b;i.:
;, "
CallI:
Tm
thi~u
ho~
ham
sau
biing phuong philp
bla
Kamaugh. ' , .
F<X.,X,X
2
,X
Io
Xo)=
~
(0,1,2,3,6.9,1l,13,15,15,1 7,18,19',22,25,27,29,3
l).
N=7,23.
Cgu 2: ... , ,
,"
Hay viet
Mm
sau du6i d\lng
d~i
s6
dan
gian
nMt
va
thgc
hi~il
bam'
chi
b~ilg
cae
m~ch
NOR.
":J,
:'~'i
:'f':
'
..
":
.;y
!
•.
5•
•
I
