Bai 3 Cac dich vu pho bien tren Internet V1.pdf

Trung tm o to E-learning C hi hc tp cho mi ngi

Nhp mn Internet v E-Learning - Bi 3 Trang 1

BI 3: CC DCH V PH BIN TRN INTERNET

I. GII THIU

I.1. Tm tt ni dung

Bi hc gm nhng ni dung chnh nh sau:

Gii thiu tng quan v Internet.

Gii thiu mt vi cng c s dng dch v trn Internet.

Gii thiu mt vi dch v rt ph bin trn Internet hin nay. l:

o Dch v tm kim: Gip cc bn khai thc ngun tri thc v tn trn

Internet

o Dch v th in t: y l phng thc giao tip ph bin nht trn

Internet

o Dch v Chat: Gip bn trao i, giao tip trc tip vi nhau trn

Internet

o Dch v din n thng tin: L ni bn c th tham ra trao i, tho

lun theo ch

o Dch v lu tr trc tuyn: y l dch v gip bn lu tr d liu

trn Internet

o Dch v qun l lch c nhn: Tin ch ny gip bn d dng qun l

thi gian, tng hiu qu lm vic

o Dch v mng x hi: Cung cp mt x hi o, ni cc bn c th kt

bn, gii tr, lm vic, tr chuyn vi rt nhiu ngi khc

Trong bi hc, ti s nhn mnh vo cc tnh nng vi cc ng dng c th

trong i sng, cng vic v hc tp ca cc anh/ch.



I.2. Yu cu hc tp

d dng nm bt tip thu bi hc ny, cc anh/ch cn chun b sn cho mnh

cc kin thc c bn v my tnh v Internet.

Bn nn trang b sn cho mnh nhng thit b cn thit c kt ni ti Internet (my

tnh, in thoi thng minh...) . C kh nng ci t cc phn mm trn .

I.3. Nhim v hc tp

Sinh vin cn tham gia y cc nhim v trn h thng hc trc tuyn, nh hc

ci bi hc dng hc liu in t, ti v cc hc liu dng Text v dng Audio ca

mi tun hc (nu c).

Sau mi bi hc dng hc liu in t u c bi trc nghim (10 cu hi),

sau khi hc bi sinh vin cn hon thnh t nht 80% s cu hi mi c

ghi nhn l hon thnh bi hc.

Sinh vin cn hon thnh tt c cc bi luyn tp v bi kim tra trc

nghim ca mi tun hc trn h thng m bo im chuyn cn v

im kim tra gia k iu kin d thi tp trung cui k.



II. NI DUNG

II.1. Tng quan v Internet v cc dch v ph bin trn Internet

II.1.1. L thuyt

Tin bc cng th gii, Vit Nam chng ta ang thc hin hi nhp v Internet l

mt phn trong . Chng ta ang dn lm ch c nhng cng ngh tin tin, nn

vn minh ca nhn loi.

Cc thit b in t nh my tnh PCs,Laptop, in thoi di ng, my tnh bng

qu quen thuc i vi chng ta. Nhng thit b ny l thnh phn thit yu

trong i sng, cng vic v hc tp ca mi chng ta, gip chng ta s dng ti

nguyn v hn ca Internet.

Ti nguyn trn Internet mang theo tri thc ca nhn loi. Internet gip chng ta v

s nhng cng vic, lm cho cuc sng chng ta tr nn th v hn, gip chng ta

hon thin bn thnTin ch ca Internet l khng cn bn ci. iu quan trng l

chng ta s khai thc nhng tin ch ny nh th no?



Chng ta thng s dng Internet thng qua 2 hnh thc sau:

Tip nhn thng tin chnh l khai thc cc thng tin trn Internet (nh tm

kim thng tin, c bo, kim tra Email,).

mc cao hn, chng ta s tng tc trn Internet. Tc l ngoi vic chng

ta thu nhn thng tin v, chng ta cn a ra nhng thng tin ca mnh,

kin ca mnh, nhn nh ca mnh hay lm 1 vic g trn Internet. Mt

vi hot ng d thy c hnh thc ny nh tham gia mng x hi, Chat

hay tham gia vo din n.

Cc dch v Internet ph bin trn c pht trin v cung cp bi rt nhiu cng ty

sn xut phn mm rt ln nh: Facebook, Google, Microsoft.... C rt nhiu sn

phm dch v trn Internet, nhiu trong s l cc sn phm min ph. Sn phm

min ph d b hn ch chc nng hn so vi cc sn phm mt tin nhng cht

lng vn m bo cho chng ta yn tm s dng.

s dng c cc dch v trn Internet cn phi c cc cng c. Cc cng c

l cc phn mm c ci t trn cc thit b ca bn. V trnh duyt Web l mt



trong s . Khi tham gia vo Internet, trnh duyt Web l mt cng c khng th

thiu. Trnh duyt web l mt phn mm ng dng cho php ngi s dng xem v

tng tc vi cc vn bn, hnh nh, on phim, nghe nhc, tr chi v cc thng

tin khc trn Internet. Trnh duyt web cho php ngi s dng truy cp cc thng

tin trn cc trang web mt cch nhanh chng v d dng thng qua cc thanh a ch

lin kt ca trnh duyt v d nh:

http://www.ehou.edu.vn

http://www.hou.edu.vn

C nhiu trnh duyt web khc nhau, trong thng dng nht l cc trnh duyt:

Internet Explorer, Safari, Firefox, Google Chrome Cc trnh duyt khc nhau i

khi c th hin th ni dung khc nhau.

Cn rt phn mm khc i theo cc dch v tin ch trn Internet nh phn mm

Chat, phn mm mng x hi, phn mm hp th in t... Vic s dng thnh tho

cc phn mm ny cng l cch s dng cc dch v trn Internet c hiu qu.

Trong cc phn sau, ti s i chi tit vo mt vi dch v trn Internet.
http://www.ehou.edu.vn/http://www.hou.edu.vn/



II.2. Dch v tm kim trn Internet

II.2.1. L thuyt

Nh trnh by trn, cc bn truy cp vo cc trang web thng qua cc a ch

lin kt ca mi Website. Hng nm, c hng triu Website mi c sinh ra mang

theo rt nhiu thng tin, hnh nh, video... m c th bn quan tm.

Mt cu hi t ra: Lm sao bn c th tm thy cc trang Web trn Internet?

Dch v tm kim s tr li cu hi cho bn. Bn hy m t nhng g bn quan

tm di dng cc t kha, sau s dng dch v tm kim thy c cc trang

web cha ni dung m bn quan tm. Trn Internet c nhiu cc trang web h tr

chc nng tm kim thng tin. Vit Nam l:

http://xalo.vn

http://baamboo.com

http://socbay.com

http://timnhanh.com

http://www.diadiem.com : tm kim bn / ng i

http://www.vietgle.vn : tra t in/ tm kim a danh/ danh nhn lch s, vn

ha

Trn th gii l:

http://www.google.com

http://www.yahoo.com

http://www.bing.com

Bc xc nh t kha v to lp chin thut tm kim l rt quan trng.

Vy chn t kha cn qua cc bc no. Trc tin bn phi nm c t kha l

g? T kha l mt t hoc cm t c rt trong tn ch hoc chnh vn ti liu,
http://xalo.vn/http://baamboo.com/http://socbay.com/http://timnhanh.com/http://www.diadiem.com/http://www.google.com/http://www.yahoo.com/http://www.bing.com/



n phn nh mt phn ni dung hoc ton b ni dung ca ch hoc ti liu .

Cc bc tm t kha cn c tin hnh nh sau:

Bc 1: Xc nh t ch o tm kim thng tin cho ln u tin

V d : hc E-learning nh th no?

t ch o l hc tp vi E-learning do c tm trc.

Bc 2: Chn t c ngha, trnh chn t a ngha, lc b cc ph t (lin t,

gii t, mo t).

Vi v d trn, ta s tm li vi t kha: hc tp E-learning.

Bc 3 : Xc nh t ng ngha, t c ngha lin quan (t c ngha rng hn

hoc hp hn).

Vi v d trn, ta s tm tip vi t kha: hc tp trc tuyn

T kha ca bn a ra cn c th v st vi ch . Bn cn to lp chin thut tm

kim khng ch kt qu cho ph hp. To lp chin thut tm kim l vic thit

lp lgic gia cc t tm kim. Vic s dng tt cc t ni ca ton t lgic

(Boolean) s cho ra kt qu st hn vi mong mun ca bn. Cc t ni (ph bin)

l:

OR - Hoc t ny hoc t kia.

V d: E-learning OR Marketing: S ra lng kt qu rt ln

AND (+) - Tt c u phi c.

V d: E-Learning AND Marketing:S ra lng kt qu b thu hp

NOT du (-) Loi tr, gii hn.

V d: E-Learning NOT Marketing: Kt qu ch c khi nim E-learning, loi b

t Marketing



Bn c th kt hp cc ton t vi nhau c nhng kt qu tt hn.

Ngoi tm kim Website, bn c th tm kim cc ti nguyn khc trn Internet

(nh hnh nh, video, tin tc, sch, blog,...). Vi cc ti nguyn ny, bn cng c

th c t r cc tiu ch tm kim c cc kt qu tt hn.

V d: Khi tm kim nh, bn ch r kch thc file, kch thc nh, loi nh

Nu bn gp kh khn trong vic tm t kha, cc cng c tm kim cng s

gip bn tm ra cc t kha tm kim bng cch. Khi bn g vo tm kim, cc

cng c tm kim s gi cho bn cc t, cm t c tm kim nhiu, thng

dng cho bn la chn.

Hin nay, nhiu Web tm kim cn c th thc hin tm kim theo ging ni

(Voice Search), qua bn khng phi g vo tm kim m ch cn ni l cc

Web tm kim ny c th hiu c (in hnh l Google). Voice Search trn

Google gi h tr cho bn tm kim vi ngn ng Ting Vit.

Cc dch v tm kim ngy cng dn i n hon thin, vy chng ta hy tm

hiu nhiu hn na v dch v ny phc v tt trong i sng, cng vic hay

hc tp.



II.3. Dch v th in t (Email)

II.3.1. L thuyt

Email l mt dch v th in t, l phng tin truyn ti thng tin nhanh

chng. Mt mu thng tin (th t) c th c gi i nhanh chng qua cc mng

my tnh c bit l mng Internet. Thng tin c th c gi i t mt my

ngun ti mt hay rt nhiu my nhn trong cng lc. Ngy nay, Email chng

nhng c th truyn gi c d liu vn bn thng thng m n cn c th

truyn c cc dng thng tin khc nh hnh nh, m thanh, video...

C 2 loi cng c h tr cho ngi dng s dng th in t l Email Client

v Web Mail:

Email client, hay phn mm th in t (Microsoft Outlook, Mozilla

Thunderbird, Netscape Comunicator hay Eudora). Mt cch gi tn thng

dng khc ca email client l ng dng th in t (email application) nu

khng b nhm ln. Email client s t ng ng b th trn Internet (chy

ngm).

WebMail hay hp th in t trn Web. s dng bn cn s dng thit b

c kt ni ti Internet v s dng trnh duyt truy cp. Mt vi trang Web

Mail thng dng l:

o http://gmail.com
http://gmail.com/



o http://hotmail.com

o http://mail.yahoo.com.vn

Ni cung cp phn mm cng nh phng tin chuyn th in t gi l nh

cung ng dch v th in t (Email Sevice Provider).

Hin nay c nhiu dch v th in t c cung cp min ph. Tuy c cc hn

ch v chc nng so vi cc dch v tr tin, nhng i vi chng ta l ngi

dng c nhn th cc dch v min ph cng c th p ng y .

Mi ngi c th c mt hay nhiu a ch email. Mi hp th s c mt a ch

phn bit khng bao gi trng vi a ch email khc. Cu trc email nh sau:

@

V d: Sinh vin Nguyn Vn A khi nhp hc s c nh trng cp cho a

ch Email: [email protected]
http://hotmail.com/http://mail.yahoo.com.vn/mailto:[email protected]



Cc u im ca th in t so vi bu chnh thng thng:

D son tho: Thay v vit th bng giy mc v bt th ngi gi ch cn g

ch t bn phm ca my tnh v bit dng mt phn mm th in t.

D qun l: Mi th gi n, gi i, th rc v k c th xa s c

qun l d dng. Thm ch bn c th t to cc nhm th qun l ph hp

vi bn.

Tin li: C th c th mi lc mi ni c thit b kt ni ti Internet.

Tc cao: Vn tc truyn th in t ch vi giy n vi pht v chi ph

rt nh khng ng k so vi gi qua ng bu in.

Lu tr ln: Bn c th lu gi nhiu th hn gp nhiu ln. Cc hm th

in t c dung lng n hng Gbyte, nh dch v ca Gmail cho bn

15GB dung lng lu tr vi mi ti khon, tng ng vi hng chc

nghn l th in t.

An ton: S dng th in t, bn cn phi ng nhp bng ti khon ng

k vi nh cung cp dch v. ng ngha vi vic bn s khng phi lo lng

ai cng xem trm th ca mnh.

Nhiu chc nng: Ngoi chc nng thng thng nhn v son tho

email, cc phn mm th in t c th cn cung cp thm nhng chc nng

khc nh l:



o Chuyn tip th: Ngi nhn c th chuyn i ni dung l th cho

mt hay nhiu ngi khc. Tuy nhin chc nng ny c khnng gy

ly lan virus my tnh.

o S a ch (Addresses hay Contacts): Dng ghi nh tt c cc a

ch cn thit cho cng vic hay cho c nhn.

o Cng c tm kim th in t (find hay search mail).

II.3.2. Dch v chat

II.3.2. L thuyt

Dch v Chat khc vi dch v th in t l bn c kt ni trc tip vi

ngi ang giao tip vi mnh. Bn c th gi i mt tin nhn v nhn cu tr

li tc th. Cng ging nh th in t, bn c th s dng dch v Chat thng

qua 2 hnh thc ph bin: Chat trn Web hoc s dng phn mm ci t trn

thit b.

Dch v Web Chat l dch v m bn thng c thy trn cc din n. Dch

v Web Chat thng s dng Chat nhm dch v cung cp cho cc thnh vin

ang c mt trn din n tho lun, trao i trc tuyn vi nhau (Dch v din

n ti s m t trong phn sau).

Hnh thc chat bng phn mm ci t trn thit b ph bin hn, c nhiu

nh cung cp ln nh Yahoo, Skype... h tr. Khng ch PC, cc phn mm c

th ci t trn Smart Phone, my tnh bng Gip bn tham gia mng Chat

thng xuyn. s dng dch v ny, bn cn ng k mt ti khon vi nh

cung cp dch v. Bn s s dng ti khon ny tham gia chat vi bn b.

Phn mm Chat cho php bn lu li c danh sch bn b ca mnh. Bn c

th phn nhm trn danh sch ny d qun l. Bn gi, nhn tin nhn thng

qua ca s Chat. Ngoi vic gi cc tin nhn thng thng, bn c th chn

thm vo trong ni dung tin nhn nhng biu tng, hnh nh tin nhn thm



sinh ng. Thm ch, vi nhiu cc phn mm Chat s cho php bn gi tp tin

nh km, bi ht, b phim, bc tranh Cc chc nng ny s gip cho ni

dung Chat th v hn.

Phn mm Chat c th gip bn cp nht mt vi thng tin ca mnh ngay tc

th ti ton b danh sch bn b. Mt vi thng tin c bn:

Avatar: nh i din ca bn hin th trn phn mm Chat.

Status: Mt on tin ngn m t iu g bn ang quan tm hay suy ngh

no ca bn.

Trng thi: Trng thi trc tuyn ca bn (ang trc tuyn, khng c y,

trng thi n, bn)

Thm na, phn mm Chat c th thng bo cho bn bn khi c ai trc tuyn

(online) hay ngoi tuyn (offline), gi cho bn 1 tin nhn, 1 tp tin

Ngoi cc chc nng c bn nu trn, phn mm chat cn c th h tr cho

bnmt vi cc chc nng khc nh:

Gi tin nhn ti nhiu ngi mt lc (rt hu dng khi bn c ni dung

mun gi i ng thi ti nhiu ngi).

V d: Thng bo lch hc, lch hp, mi sinh nht, mi ci

Gi tin nhn Offline: D cho ngi nhn khng trc tuyn vn c th nhn

c tin nhn khi ng nhp tr li.

Tham gia Chat nhm (nhiu ngi cng Chat vi nhau): Cng ging nh

hnh thc Chat nhm trn Web.

Gi in min ph (Chat voice): Khi bn c ng truyn Internet tt, chc

nng gi in min ph c th gip bn tit kim c nhiu chi ph thay cho

hnh thc gi in thng thng.



Mt vi dch v chat rt ph bin:

Window Live Messager: Dch v Chat c sn trn cc h iu hnh

Windows c. T Windows 7 tr i, dch v ny khng cn m chuyn

sang cc h iu hnh Windows Mobile, Windows Phone.

Yahoo mt thi rt ph bin c s dng rng ri. Yahoo cung cp tt c

cc chc nng k trn. Nhng vi s pht trin nhanh chng ca Facebook

v Skype, s lng ngi s dng Yahoo t i rt nhiu.

Skype gi ang ni ln vi cc u im v tc v tnh hu dng. Skype

c kh nng truyn ti File c kch thc ln v kh nng chat voice c cht

lng rt tt. Skype c dng rt nhiu trong cc c quan, t chc v

trng hc.

Mt vi phn mm ni ting khc nh: Viber, Line, Google Hangout u

im ca cc dch v ny l cung cp dch v gi in min ph rt tt nn

c ci t nhiu trn cc thit b di ng.

Chat trn mng x hi: Dch v chat ny ti s m t chi tit hn trong cc

phn sau.



II.3.3. Bi tp

Cu hi 1. Nhng thit b no l nhng thit b ch yu gip chng ta s dng ti

nguyn v hn ca Internet?

A. PCs

B. Laptop

C. in thoi di ng

D. Tt c cc p n u ng

Cu hi 2. C my loi cng c h tr cho ngi dng s dng th in t?

A. 2

B. 3

C. 4

D. 5

Cu hi 3. u khng phi l dch v th in t:

A. Gmail

B. Hotmail

C. Google Map

D. Yahoo

Cu hi 4. Dch v no khng phi l dch v Chat?

A. Window Live Messager

B. SkyDrive

C. Yahoo

D. Facebook Chat



Cu hi 5. Chat Voice l dch v g?

A. Cho php gi in min ph

B. Cho php gi tin nhn min ph

C. Cho php gi tin nhn Offline

D. Cho php chat theo nhm

II.4. Dch v mng x hi

II.4.1. L thuyt

Dch v mng x hi l dch v cung cp mt x hi o trn Internet m cc

thnh vin trong mng x hi c gi l c dn mng. Tht vy, mng x hi

thc s l mt x hi rng ln m trn , cc dn mng c th tha sc trao

i, chia s thng tin, phim nh, x lun...



tham gia lm thnh vin ca mt mng x hi, bn cng cn c ti khon

ng nhp. Sau khi ng nhp, bn c th bt u thc hin kt bn. Cc thnh

vin trong mng x hi lin kt vi nhau thng qua hnh thc kt bn. Mng x

hi da theo cc thng tin ca bn lin tc a ra danh sch bn b m c th

bn quen. Vi cch lm ny, mng x hi c th thu ht hng trm triu thnh

vin trn khp th gii, t mang theo l mt khi lng thng tin khng

l.

Mi thnh vin c mt trang ring (gi l trang c nhn) v c th trnh by

trang c nhn ny theo mnh. Cc thnh vin c th chia s thng tin ca mnh

trn bao gm:

Thng tin c nhn v gia nh

Thng tin qu trnh hot ng hc tp v cng tc

Thng tin s thch, thi quen

Thng tin bn b

Ni dung chia s c th l nhng bi vit, cng c th l nhng bc nh chia s.

Chc nng Tag nh cho php bn nh du bn b ca mnh ln trn bc nh.

im ni bt ca mng x hi l kh nng tng hp thng tin mnh m, cho

php mi c dn mng la chn lung thng tin nhn v. Ti trang chnh ca

mnh, bn c th tm thy rt nhiu thng tin c mng x hi tng hp lin

tc. Vi cc thng tin nhn c, bn c th th hin s ng tnh ca mnh vi

ai thng qua hnh thc like hoc trnh by kin ca mnh vi

commenthoc n i nu khng mun theo di na. Mng x hi cng cho

php bn Chat i trc tip vi bn b. D khng nhiu tnh nng nh phn

mm chat m ti nu trn, vic tham tham gia chat trn mng x hi cng

v cng tin li bi tn dng c danh sch bn b c trn mng x hi.



Thng tin m mng x hi mang li thc s hu ch. Qua bn c th:

Hc tp nhiu lnh vc khc nhau ngy cng hon thin bn thn.

Kt ni vi nhiu bn b mi.

Tip tc gi lin lc vi bn b v ngi thn m khng cn gp mt trc

tip.

Hn th na, mng x hi c th tr thnh cng c c lc bn gii thiu v

bn thn hay cc sn phm kinh doanh ca mnh.

V d: Bn l mt kin trc s c nng lc, bn m t thng tin ca mnh trn

mng x hi. Chuyn ng hng ngy ca mng x hi s gip cho thng tin

ca bn ti c tay ca rt nhiu ngi. S khng ngc nhin nu mt ngy

bn nhn c mt l th tuyn dng hp dn.

Hoc c th bn mun cung cp cc sn phm thi trang snh iu, bn c th

a nhng hnh nh v sn phm ca mnh ln trn mng x hi. Nu bit cch

s dng hiu qu, mng x hi s gip bn nng cao doanh thu tht nhanh

chng.

Mng x hi cng c th tr thnh cng c gip cho bn lm vic nhm hiu

qu hn. Mng x hi c th gip cho cc cng vic:

Bo co tin cng vic, kt qu cng vic

Trao i, tho lun trong nhm

Thng bo tin tc ca nhm

Chia s ti liu

To s kin, thng bo ti tt c thnh vin trong nhm



Hin nay, mng x hi Facebook rt mnh ti Vit Nam cng nh trn th gii.

Ngoi ra cng cn rt nhiu mng x hi khc nh: Friendster, Twitter,

Netlog,

II.5. Dch v lu tr trc tuyn

II.5.1. L thuyt

Thng thng chng ta hay lu tr d liu trong my tnh ca mnh, v mun mang

d liu i u th cn phi s dng Usb hoc cng mang theo. iu ny kh

l bt tin v c nhng ri ro c th xy ra nh d liu b hng hay khng m

c

Khc phc nhc im , dch v lu tr trc tuyn ra i. Dch v lu tr trc

tuyn (lu tr trn mng) l dch v lu tr cho php ngi dng truy cp vo d

liu ca mnh t bt c u thng qua Internet.

Bn cng cn phi ng k ti khon s dng dch v ny. Lu lng min ph

m cc nh cung cp cho ngi dng c th ln n vi Gbytes v c th tng thm

trong tng lai.

S dng dch v lu tr trc tuyn bn cng c th thng qua 2 hnh thc: Trn

Web hoc s dng phn mm ci t trn thit b. 2 hnh thc ny khc nhau mt

chi tit l: Phn mm ci t c th h tr thm thng bo khi c d liu mi

c cp nht. C 2 hnh thc u p ng y cc chc nng c bn, l: Sao

lu, ng b v chia s d liu. Trong :

Sao lu d liu l thao tc to ra mt hay nhiu bn sao ca mt file d liu

(gi l d liu gc) v lu tr an ton ti mt ni khc nhm c th phc hi

khi d liu gc b h hng, mt mt. Mi bn sao lu ca file c gi l 1

phin bn (version). Khi sao lu d liu, vic lu tr bao nhiu phin bn

ph thuc vo tm quan trng ca d liu, kh nng mt mt, chi ph,



ng b d liu l lm cho d liu ging nhau v mi mt. Bn c th ng

b d liu gia my tnh c nhn, in thoi di ng, my tnh bng.

V d: Bn i du lch chp mt bc nh c trn in thoi. Bc nh c a

ln dch v lu tr trc tuyn. M ca bn nh vo my tnh ng b v c th

lp tc thy c hnh nh ca bn.

Chia s d liu l cho php ngi khc truy cp v s dng d liu ca mnh.

Chc nng ny rt hu ch khi lm vic nhm.

Mt vi nh cung cp dch v lu tr trc tuyn nh: Dropbox, Box, Skype

Drive, Google Drive



II.6. Dch v lch trc tuyn

II.6.1. L thuyt

Dch v lch trc tuyn l dch v cho php xy dng lch lm vic trc tuyn

ca mnh trn mng, cho php mi ngi hoc cc nhm lm vic c th lin kt

lm vic trc tuyn bt k ni no. Ngi dng c th tm v xc nh mi

lch trnh lm vic chia s vi nhm cng tc khi s dng dch v lch trc

tuyn.

Tham gia dch v lch trc tuyn cng cn c ti khon. S dng dch v lch

trc tuyn c th thng qua Web, nhng d dng hn, bn hy ci t phn

mm lch trc tuyn trn my tnh hay cc thit b cm tay ca mnh tin theo

di.

Lch trc tuyn thng thng c th cho php bn theo di trong cc bng lch

theo Thng, Tun hoc c theo tng ngy. iu ny c ngha l bn c th lp

lch chi tit ti tng ngy, gi c th.

Lch trc tuyn cho php bn ng b cc ngy l tt, cc ngy k nim ca t

nc, hay cc ngy sinh nht ca gia nh vo bn b (c th thng qua cc ti

khon email, chat hay mng x hi).

Lch trnh cc vic cn lm c th to ra mt cch d dng bng cch nhp vo

thng tin n gin v xc nh ngy hoc tun c th cho cng vic . Dch v

lch trc tuyn s t ng a ra thng bo cho ngi dng v s v cn gii

quyt vo mt lch trnh nh no .

V d: bn c mun t chc 1 cuc hp v mun thng bo ti nhiu ngi

khc.Vi dch v ny, bn ch vic ng k cuc hp ln lch trc tuyn, v

thm vo nhng ngi c lin quan. Ngay lp tc thng tin lch s c cp

nht ti nhiu ngi. V khi c thng bo, mi ngi u nhn c.



Dch v ny c cc quc gia pht trin rt u chung bi c th gip cho nng

cao nng xut lm vic. Google Calendar hin nay i u nh l dch v lch

trc tuyn min ph tt nht hin nay.

II.7. Dch v din n in t

II.7.1. L thuyt

Din n in t hay cn gi l Forum l 1 Website ni mi ngi c th trao i,

tho lun, by b kin v nhng vn cng quan tm. Cc vn tho lun c

lu gi di dng cc trang tin.

y l hnh thc tho lun khng trc tip, bn c th a bi tho lun ca mnh

ln Forum, c khi ngay lp tc hoc c khi vi ngy, vi tun, thm ch vi thng

sau bn mi nhn c kin phn hi.

tham giao tho lun, bn cn ng k ti khon. Ti cc din n, cc ti khon

cng c nhng cp khc nhau. Din n thng c rt nhiu nhm ch

(Thread) v cng a dng. Trong cc nhm ch c rt nhiu ch nh. V

trong cc ch ny c nhiu bi vit.

Cc thnh vin tham gia s d dng theo di cc bi vit mi, cc bi vit c xem

nhiu, cc ch mi, cc thnh vin ang trc tuyn... c cp nht lin tc

ngoi trang ch din n.

Khi tham gia din n, bn nn ch ti cc quy nh m din n a ra. Trn

din n, bn c th chia s nhng kinh nghim hay gii thiu sn phm ca mnh.

Din n cng l mt ngun thu thp thng tin rt tt bi lng thng tin truyn ti

trn cc din n l rt ln. Bn c th tham kho mt vi cc Forum ph bin ti

Vit Nam hin nay nh:

http://www.tinhte.vn/

http://www.vn-zoom.com/
http://www.tinhte.vn/http://www.vn-zoom.com/



http://nhattao.vn/

http://muare.vn

http://webtretho.com

II.7.2. Bi tp

Cu hi 6. u l dch v lch trc tuyn?

A. Google Maps

B. Gmail

C. Google Calendar

D. Google Search

Cu hi 7. Lch trc tuyn cho php bn ng b thng tin no?

A. Cc ngy l tt

B. Cc ngy k nim ca t nc

C. Ngy sinh nht ca bn b

D. Tt c cc p u ng

Cu hi 8. Bn c th theo di bng lch theo?

A. Thng

B. Tun

C. Ngy

D. Tt c cc p u ng

Cu hi 9. Din n trn Internet dng ?

A. Cc thnh vin giao lu trc tuyn thi gian thc vi nhau

B. Cc thnh vin tho lun trc tuyn thi gian thc vi nhau
http://nhattao.vn/http://muare.vn/http://webtretho.com/



C. Cc thnh vin c th trao i, hc hi v nhiu lnh vc c cng s

quan tm.

D. Tm kim thng tin.

Cu hi 10. Thng tin no thng c lin tc cp nht cho cc thnh vin d

dng theo di?

A. Cc bi vit mi

B. Cc ch mi

C. Thnh vin trc tuyn

D. Tt c cc p n u ng

III. TNG KT KIN THC

Nh vy trong bi hc ny, ti gii thiu vi cc bn v mt vi dch v thng

dng trn Internet. Bao gm:

Dch v tm kim

Dch v hp th in t

Dch v Chat

Dch v din n in t

Dch v lu tr trc tuyn

Dch v mng x hi

Dch v qun l lch c nhn

Chc Anh/Ch hc tp tt!

Bai 3 Cac dich vu pho bien tren Internet V1.pdf

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