This book is Data communication and networking, and this book ha TCP and IP and OSI model etc. Esma communication or computer ki information hai, esma topology hai, Network Protocol Refrence Model, solved problem, Analog and digital data, Digital,Signals, Transmission, OSI refrence, model network performance, line configuration, Circuit switched network, Satelite Network, Media access control protocol for high speed networks, reference model consider tha the input device and transmitted are component of personal computer, pc the user of the pc wishes to send a message to another user,. The activities the electronic mail package n the pc to send a message the, Security bIs the very important issue in data communication system, The Sender Of Data may wish to o be assured tha only the intended party actually receives tha data. The receiver the data may wish to be assured purposes. In simplex communication. Only one way data can be transferred between the two comments caring devices one diveces can only transmit or data another device, and second one can only always received data

1. 1.
2.
NDEX
Lle
Inoducian
Soinst Enesg
Data
lago na fignatste
1-9
Pago
10
CHAETER-4
NITRODUCTION
XNORLD ENERGY UsE
Date
heat,but not énesagy seom aed. Jhdia hai Bmeqed
ai a majas plaeo
btlaok Qo24 HeFat b
Tndoscnatforal fneugy Aaency IER).
aninali ana
Page 1
aAing þlarta and animalie Thete kuei:
ne easctb i Csuit and Contain
Castoan and hydsogen,tlhich can be busened kos
neqy. Coal, of andnatLBHal
and athe þetualeum bsenducte. Hi Combaie a
hydsnCasbon dehostka and cthest 6stqanic matesiali
blants dhat liued milloni
Byambleia

2. Date
clthos Combonetl The qa Hhat i wied bo
Qthasaiile ei, nattoaal qas Can be biene
Enosqy þaunduce biy the
ak nueleajt tochnalngy
a nucleas s4eation. ae Electibiy
Page
kalling
is easertal to ile and all
Caxalutly
machin Tai ia achioied by CanAlestin the
atfonal batential ese Kinctic Encqy oa ats
fat
chaices and aoctAion impact eastb matuxal
Date Page 3
(2igbt Eneugy ia a kind o Kinelic RneMQy toith
eleckuonsngnckie adiatos Srnitey by hat
olajecti iKe laSe9LI, bubl and the n.
31autational Encaqy H
ia she hotential enegy
theoapastticle4
tstawolhough he oiL to eoch.

3. JhComing dousd (s),
Date Paga
Gchomical EneqyChenita Eneszqy, the Enesqy ohich
he chomical enction and moitly bancucea heat a
eses
Casled by ato, he
esM Oiginated in oz ohen net Rutho:osd
beqan to
}UidtoiDQd nuleast afon do qenesade heat
and leca-iciky. sA is alio
he hotes the ubtance, the n04e ie he
Nibsaation af male Cit lei and honce Hhe
he pecd n ligte st Canalio be deiCotbad ai
stadiat Sneuqy eleteomaqoetie siadiatioD,
2lectsumaqpettc iavci, ligbt',
92adiatton.
Human bave Many
Pnystcal Eneugy
Emottanal Enegs
Meta En0seqy.
Date
KeSERVE$ GE EERGY REsOURCES
Hydubatoet.
Pace b
most lammon bioma nactOstaliUsed ko
Labove

4. qen@ade electiciy.
bauneuod in
cohicb hman Kind CahicueA Enegy
5) Coal Roro9AJe: Coal Reie9UJOR
Yose Hhâught to 'exit o a
Cotairty
Date Page
taat Can be extsactede ene zuela Gaudf Aabia,
and Canada QHe the thee leading ounkuies
Climate
datesL balluen.
ENVIRONMENTAL AsPECTS OF ENERGY UrLLISETIRL
6Sald ate disbalal.
Date
he enuÊNonmertal bunblema disuectley suelated to
Eneqy fodinctian and onaumbtiab ioclude Jheie
Page
qoieenhe gasel. DiveRe tDatest balleion bxlolenma
kKENELBE ENERGY CENARID IN LNDIA HND
HROUND lHE WORLD
patoe
>Jndia Atandi erh qlebally in Roneable Enezg
3)Geo hosena Rneqy.
CHyduo Slectsic eresqy
io masa

5. bhctoualtaic Sneugy.
(lectsic
(4Tiadal eng.
Date Page
4994 do 42 lo ag. These has been a declfoe
in dhe hane af ail in boiny tngy þandu=
Ctios feLAM 20% do 47 dsisg the ame
beiod
oTENTTALS_; CHTEVEMENIS /APPLTCATIONS
lCeRctaio KL oA Tsoit inades do attals
ACadamic akili oH ahilRhy dhot
sed ctsoly in abpscbsiote and eiciert
abßlicatini, they Can bsanido a ueliable and
diidainakle apty énzgy almct indekiniloly.
EcoNorcE OF RENEK0ARLE EERGY SVgTEMS
daxei, MAUing.
mechanikms)a
eneable Enesgy
The Basieg ecangnoice a ReneLdable éncgt
do be atiicially altoad, eithen by incaicaiin
ing
2 Fuel Cost
a MatkKet Comþtion
Date Page 4
b0ozdiq the siAINS to gene0able &negles
*MERTIS OE FEELJPLLE NEREY
ONo GAeertHoue eoct
2NO olution.
aSubhliacat 2nesgy
Sqbalest
negd