SKKN MỘT SỐ BIỆN PHÁP BẢO TRÌ MÁY TÍNH TRONG TRƯỜNG CÓ HIỆU QUẢ






 !"#$%&"'(" )
*#&""+,-$." )
/#0 )
"123%&"'(" )
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 

!"#$%


"&'("#%
4.""5%6'7%#8" '("+09("+:;<1"+=->?"+
@5"+,-A.5'5"B<&"+#;+C"B"+D7%8"+EFE"+
5 '<G"("+#.'7"5"B"+#8"H7",)8"
,I"+1+71#&"63"+9;=:'1*>"6 ,<JK>I@57"L
("+/6+M#"N"("+"6"+1<55O"+B:+P<8Q"+'7%
8"RR
4AS#N%6=:'7%8"+EF5"J"+#.<&"'5"+ 2.TP51
"GSE"+5U"FP '+S# '",;"1=:V"+3*1'7%
8"DB  WX1(*"=)Y !"#$$#%&'(
)*+,%-
)*+,+-%
47%#8"BU'P",M"+<G C"=;"("+#.@5"<,-"+6
P",M"+<$;F=;"7FZ"+ '#.",)7"LTP" W>[9("+NF
"N=,\("+"'7"5"B"+69;17">[+]F9B9V"<1"+
#.8" ,I"+1+71#&"6#P",M"+<$;F=;"#.*NF#

+P"+X2%@5*>"#+71#&"D
')*./%
.""5%6<1"+<,-"+&\65'V"+65'^6_P"+
5'B`a'7%'7%#8"F0#01+P"+X2%6b'7%8"X"13
%&"'("6c'7%8"X"13#V"FZ"+6`'7%8"X"17"L
TP" W6d'7%8"X"1,#."6d5F1F6d'7%;D,"+=5>?=e
H?"+GF6'7%8"F0#01+P"+X2%=eH?"+GF#,f"++U"dgh
"&"+P"+X2%#'(""*;>/9B9V"DAS#N%U"FPBL."F7F
LP1<SLP1X,i"+=E"+7=:'5"+ 2.TP?"GB:D
'0!1)
 2345678569:;77<5=3>:?@A%
 !"#$%&'!!
]'7%#8"M#j<851I"']=G8"Gha'#H5,-"+
91P"+7,I"+$DEW9("+"&"=]'7%M+B>7,-"+#<1+"
FZ"+98"#S"BB: '19("+98<1"+FZ"+"B"+ &"#+k%"B"+
'7%D
()*$+,)'-).)
<1"+7;Lj@5'7%8"ST2XlLj=B"+L0#+k%;"+K"
"GD: 5Q6<,C&"L2"FP71T2<56>5=BXQ"+'3 ("+
''Tm>2L0H"+T5"#<&"7"T2DEW6L2"9("+"&"XQ"+
98"m"=:3L0<&"77"T26#S?=3@598"m"B: '
7"T2T5%T7?=+C2"# 'f"+T2D:<5XU1T2S
<,C&"L2"XQ"+#85%#N"*""1=B71"nF"$5=N%<&"T2oB
./0/


'>?T29("+B"nF"%p6;Fq1+i';"+LP1#.<56>5=B"fX%
"G'+*XU#1 r8"+J5@5T26<K=N%98" 2 H1"+D
/.!(012('
 ("+#."%"&" '8"G5 U"'r"V'DU&"6L2"'M

Q"+'7%<5#XQ"+98"m"=:3#17+B9G@5'7%<,C6>5
=BL2"'C3C7FU"Z" 2D;9("+BX0"+0398"m"S
L2"B:XQ"+3 ("+''=: 5QO"+=,\6>5=B G%T2+B
,-"+=:3>2L0Z"L7'#1'7%Ds2"O"+U" '>2LFN"P"
".@5#7LP"".97D71T2<56>5=B G%98"m"
5%3 ("+ '>277"P"".6+EF+P".?I"D
+3)"4567)
?"G "&""k"+GF"B &"F&"LP"'C"G6O"+",P7LP"
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FPX1#<>5%>k'7%8"+k%<5DBB: 7#G"=#FU"
/"+# 1+@5=!56"J"+#G"=B &"T5"=;"=!5/"+"%>[+k%<5
.",\"+9B<q"Xq<XJ .FU" r"%D
:Tm3=!569884'J8P5Q%*">5=B98
("+L71 r>[1L2"L;<t"+‚"X1{>9("+:9:'<5=!5<1"+
9"B=5"+<1"+>zX0"+D88+)A8+/484oA>51]‚"„p1]
K8/o…pD5=BL2" &"9;1217("+#.97#S>[FP=:'7%
./0/
a

8"=B<1"+#+-69M="+ 2'7%8"6>5=B‚"X1{>>[$."
("+#.'L2"#†5 NF j2%D
A,')s59F'5+q13/"+D%9("+T5"<*"+
Lt"+#.L59FXJ ."+"+%","+#.L59F'5+q11"L3
=!5 '#G"=97T5"<*"+6+EFL2"<7"=,\.",\"+3/"+Lj

Y=3#i‡1].="‚"X1{>Lj rDL59F'5+q?B"+!5 
L2">[9("+L51+-FP=] 2‚"X1{>†Y=?"+=3"7‡D
'b/!1%
<1"+"V'*T5(=e>zX0"+"J"+L."F7F<&"=:+EF'7%
8"<1"+"<,-"+9nF0=,\"J"+'7%8"f"+B9("+=7"+
B6=P'LP1=,\'7%17"LTP" W673L'(" '#.6O"+",
=P'LP1=,\#.*NF@5*>"D
'b/+-
4+,-LP1<S'7%8"FP=P'LP1#9ˆ"V"+O"+",9;"/
#FU"/"+@5'7%#8"D
4P,-"+H%&"LP1<S6LP1X,i"+#"k"+GF=:'5"+ 2.
TP?"GD
./0/
c

'"#d)
4P';X2%1+71#&""+,-<$;FLP1<S'7%8"=:#.
LP1<S=2.TP?I"D
_57FX0"+"J"+L."F7F<&"6T5*fL2"L‰=K"+"+.FO"+
",5'9P17 .=e+EF(<E<5'>?9""+.'<&"'1"+
=,\>$=B"++BF".S"@5=K"+915*<,-"+#"+"=:>7"+
9;"9""+.'@5(=,\1"Š"I"D
LMNO
+,-$."


./0/
e

f+f

WD56


!"#$%
"&'("#%

)*+,+- 
 
')g.h 

'0!1 

'b/!1a
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