Kỹ năng tìm kiếm dữ liệu từ internet dể làm phong phú bài giảng.

HUONG DAN QUAN LI SUDUNG

KY NANG TIM KIEM DV LIEU TV INTERNET

DE LAM PHONG PHIJ BAI GIANG

Trong xu the phdt triln

khdng ngimg ciia khoa hgc ky

thugt, mgng intemet ngdy mgt

phat trien, tid thdnh mgt phdn

khdng the thidu ttong cugc

sdng cua con ngudi vd kdo

theo nd la sy phdt ttiln cua rdt

nhieu cdng cy tim kilm nhu

google, yahoo, bing, msn...

Trong dd, google Id cdng cy

dugc sft dyng phd biln nhal.

Ciing da cd rat nhilu nhihig

bai bdo ndi ve each tim kilm

thdng lin tign intemet sao eho

hieu qua, trong bai vigt ndy tdi

mudn trinh bdy kinh nghiem

ciia mmh khi tim kilm dft lieu

cho bai giang.

Theo tdi, dd tim kiem dft

lieu mdt cdeh hieu qua, nghTa

la cho ket qud nhanh vd chinh

xdc nhu mong mudn thi cd hai

yeu td quan ttgng md gido vidn

can quan tdm do Id tft khda vd

cii phdp. Vi vdy d ddy ldi se

trinh bdy nhiing nguyen ldc

lien quan den hai vdn dl ndy.

1. Ve tir kh6a

Tft khda tim kidm la cum

tii cd the xudt hidn trong kll

qua tim kilm.Tu khda lim

kiem la mgt yeu td quan ttgng

quyet djnh kdt qud vd sy thdnh

cdng cua viec tim kilm, do dd

viee chgn tii khda tim kilm rdt

quan trgng, nlu chgn tii khda

hgp 1;^ CO the cho ra rat nhieu

thdng tin vd ngugc lgi, ndu

chgn tii khda khdng diing cd

thl sg khdng tim dugc thdng

tin nhu y mudn. Tft khda tim

kilm tot phai ddm bdo cdc

nguyen tfic sau:

a. Tir khoa phdi Id tir pho

bien. ngdn ggn, sue tich

Tft khda phd biln nghia la

phdi la tft dugc dung nhieu

nhal va nhidu ngudi bilt din

nhdt. Vf dy dl tim ngi dung

lien quan den nguyen nhan

cugc chign ttanh thl gidi ldn

thft 2 xdy ra, tft khda tim kilm

ndn la: Nguyin nhdn chien

tranh thi gidi 2 hogc nguyen

nhdn ehiin tranh thi gidi IL

Tft khda tim kiem khdng nen

la nguyen nhdn xdy ra cugc

chien tranh the gidi ldn thu

2 (tft khda nay ddi dong va

sg cho ra it ket qud chinh xdc

ban).

Gido vign cung co the su

dung eym tft xuat hien dau

lien ttong ddu minh ggt dua

lgi de ttd thdnh tft khda tim

kigm. Vi du neu mudn lim cau

hdi thdo ludn cho phan ndi

dung bai gidng lien quan den

cudc chidn tranh thd gidi lan

thft 2. Cd thd sft dyng tft khda

"thdo ludn" "chign ttanh thg

gidi" 2. Tuong ty nhu vdy ngu

gido vien mudn tim bai gidng,

bdi lap, cau hdi thdo ludn lidn

quan den ngi dung ndo dd cd

thd sft dyng tft khda tim kidm

dgng: "bai tap" "ndi dung bdi

gidng"; "bdi gidng" "ngi dung

bdi gidng"; "gido an" "ndi

dung bdi gidng"; "thdo lugn"

ThS. Luwng Thj Nggc Khdnh

Trudng Dgi hgc Ton Due Thdng

"ngi dung bdi gidng"; "bdi

tdp" "ngi dung bdi gidng";

"bdi tap vl nhd" "ngi dung bdi

gidng"; "cdu hdi dn tgp""ngi

dung bdi gidng". Luu y: ngi

dung bdi gidng ed thl dugc

thay bdng tft khda bdi giang

thich hgp.

b. Sue mgnh cua ddu nhdy

(Sir dung ddu nhdy thich hgp)

Sft dung dau nhdy bao cum

tft khda neu mudn kit qua

chua chinh xdc cum tft khda

can tim. Vi du cung vdi ndi

dung tim kiem nhu tren thi ndn

dgt dau nhay nhu the nao? Tuy

vdo mong mudn cua chung ta

khi tim ket qua ma dat ddu

nhdy, neu mudn tim chinh

xdc cum nguyen nhdn chidn

teanh the gidi 2 thi dgt eym tft

khda dd teong ddu nhay nhung

chac chan do khdng phai la

ggi y tdt. Vdi cum tft khda

nay ndn dgt ddu nhdy theo cdc

each nhu sau: "nguydn nhan"

"chien teanh the gidi" 2

Luu y rang vipc dat ddu

nhdy dung vj tri se cho kit

qud chinh xdc hon nhung cd

nhimg trudng hgp nlu tii khda

chung ta chgn khdng tdt hodc

vdi nhimg ndi dung cdn tim ft

thdng tin cd san thi viec dgt

dau nhdy se lam gidm kll qud

tim kidm vi vdy trudng hgp

tim khdng ra ket qud cd till

thu bd dau nhdy di.

c. Tan dgng tir dong nghia

Khi viec sft dung tft khda

TAP CHi THIET BI GIAO DUC-sd 89-01/2013 • 3 7