 kaalakremena abhivruddhi cheyabadina telicomunications yokka mukhya amsaala jaabitaanu anaku ivvande 
1932  pleenipotenshiyari telegraf conferences mariyu madrid ‌ loo jargina internationale radioteligraph conferences ‌ loo ,  remdu samshthalu internationale telecommunication union  (ITU)  yerpatuku vileenam cheyalana nirnayinchukunnaayi .  varu telecommunication ‌ nu  " wire ,  wire ‌ leese ledha itara sistom ‌ lu ledha elektrik signalling ledha vijuval signalling  ( semafors )  yokka prakriyala dwara sanketaalu ,  sanketaalu ,  vraata ,  faaks mariyu sabdaala yokka edaina telegraphic ledha telephonic comunication ‌ gaaa nirvachincharu ."

 rdi regulations  (RR),  telecommunication yokka artical  1.3  prakaaram ,  nirvachanam taruvaata malli dhruvikarinchabadindi ,  idi  " wire ,  rdi dwara edaina swabhavam yokka sanketaalu ,  sanketaalu ,  rachanalu ,  chithraalu mariyu shabdaalu ledha medhassu yokka edaina prasaaram ,  udgaram ledha sweekaranagaa nirvachinchabadindi . ,  optically ,  ledha itara vidyudayaskaanta vyavasthalu ".

 beekanlu mariyu paavuraalu 

 chappe yokka semaphore towerlalo okadhaniki pratiroopam 
 hoaming paavuraalu vividha samskrutulache charithra antataa upayoginchabaddaayi .  pavuram poest pertian moolaalanu kaligi Pali mariyu taruvaata rowmanlu  ​​ vaari sainyaaniki sahayam cheyadanki upayoginchaaru .  frantinus juuliyas seasure tana gaul ‌ nu jayinchadamlo paavuraalanu dootalugaa upayoginchaadani perkonnaadu .  greekulu hoaming paavuraalanu upayoginchi vividha nagaralaku olympique creedalaloo vijaetala paerlanu kudaa teliyajesaaru . 19 va sathabdam praarambhamlo ,  datch prabhuthvam zava mariyu sumatraalo yea vyavasthanu upayoginchindi .  mariyu  1849 loo ,  pal juuliyas reuter achen mariyu brussels Madhya stoke daralanu eguraveyadaaniki pavuram sevanu praarambhinchaadu ,  yea seva telegraf linc ‌ loni antharam moosiveyabade varku ooka savatsaram paatu panichaesimdi .

 Madhya yugaalaloo ,  bcon ‌ l golusulanu saadharanamga konda shikharaalapai signal prasaaram chese saadhanamgaa upayoginchaaru .  bekan chain ‌ lu kevalam ooka bitt samaachaaraanni Bara pampagalige lopanni edurkonnaayi ,  kabaadi  " sathruvu kanipichadu "  vento sandesam yokka ardhaanni mundugane angeekarinchaali .  spanish armada samayamlo ,  ooka bcon chain plymouth nundi landon ‌ ku signal ‌ nu prasaaram cheesinappudu vaati upyogam yokka ooka mukhyamaina udaaharanha .

1792 loo ,  claude chappe ,  ooka french inhaniir ,  lille mariyu pyaris Madhya mottamodati sthiira drusya telegraphy vyavasthanu  ( ledha semaphore Jalor )  nirmimchaadu .  ayithe semaphore padi nundi muppai kilometres  ( aaru nundi pantommidi millu )  viraamaalalo naipunyam kaligina operatorlu mariyu khareedaina towerla avasaramtho baadhapaddaadu .  electrically telegraf nundi pooti falithamgaa ,  chivari vaanijya Jalor  1880 loo vadiliveyabadindi .

 telegraf mariyu telephony 
 juulai  25, 1837 na ,  modati vaanijya vidyut telegraf ‌ nu aamgla aavishkarta sar viliam fother ‌ gill cook mariyu aamgla shaastraveettha sar charless wheat ‌ stone pradharshinchaaru .  iddharu aavishkartalu thama parikaraanni  " vidyudayaskaanta telegraf ‌ ku merugudhala " gaaa bhaavimchaaru mariyu kothha parikaramgaa kadhu .

 samul mores swatantramgaa septembaru  2, 1837 na vijayavantamga pradarshinchina electrically telegraf samskarananu abhivruddhi chesudu .  wheat ‌ stone yokka signalling paddathi kante atani kood ooka mukhyamaina purogati .  modati atlantic telegraf kebul juulai  27, 1866 na vijayavantamga porthi cheyabadindhi ,  idi modhatisaarigaa atlantic telecommunication ‌ nu anumatinchindi .

 saampradaya telephony ‌ ku  1876 loo alegjaamdar bel paetent pondhaaru . 1876 loo elisha gray dani choose ooka minahaayimpunu kudaa daakhalu chesar .  gray tana heccharikanu vidichipettadu mariyu athanu bel yokka praadhaanyatanu vyatirekinchananduna ,  pariseelakudu bel yokka paetent ‌ nu marchi  3, 1876 na aamodinchaadu .  gray atanini daakhalu chesudu .  variable resistence telephony choose hechcharika ,  conei bel aalochananu dokument chessi telephony ‌ loo pareekshinchadaaniki modati vyakti .  antoniyo mayuksi  1849 loo dadapu  30  samvatsaraala kritam ooka Jalor ‌ loo voice yokka vidyut prasaaraanni anumatimchae parikaraanni kanipettadu ,  conei atani parikaram takuva aacharanaatmaka viilevanu kaligi Pali ,  endhukante idi electrophonic prabhaavampai aadhaarapadindi ,  viniyogadaarulu vaari nootiloo recever ‌ ni  " vindaniki "  avsaram . "  modati vaanijya telephony sevalanu  1878  mariyu  1879 loo nyuu heven mariyu landon nagaraallo atlantic ‌ ku iruvaipula bel telephony kompany erpaatu chesindi .

 rdi mariyu television 
1894 loo ,  italian aavishkarta guglielmo marconi appudu kotthaga kanugonna rdi tharamgaala drugvishayaanni upayoginchi wire ‌ leese comunication ‌ nu abhivruddhi cheeyadam praarambhinchaadu , 1901  natiki avi atlantic mahasamudram meedugaa prasaaram cheyabadatayani chupistundi .  idi rdi dwara wire ‌ leese telegraphiki naamdi . 17  dissember  1902 na ,  canadalooni novaa scotialoni glace beloni marconi steshion nundi prasaaram Uttar America nundi atlantic ‌ nu daatina prapanchamlooni modati rdi sandesamgaa marindi . 1904 loo ,  sab ‌ scrib ship ‌ laku ratriputa vaarthala saaraamsaalanu prasaaram cheyadanki ooka vaanijya seva sthapinchabadindhi ,  idi vatini vaari aan ‌ bord vaartaapatrikalaloo chaerchimdi .

 modati prapancha iddam seinika communicationla choose rdi abhvruddhini vaegavantham chesindi .  iddam tarwata ,  vaanijya rdi  AM  prasaaram  1920 lalo prarambhamaindi mariyu vinodam mariyu vaarthala choose ooka mukhyamaina masses maadhyamamgaa marindi .  rendava prapancha iddam vimanam mariyu land comunication ,  rdi naavigeeshan mariyu radar yokka yuddhakaala payojanaala choose rdi abhvruddhini malli vaegavantham chesindi .  rdi yokka sterio  FM  prasara abhivruddhi uunited stetes ‌ loo  1930 lalo mariyu uunited king ‌ dum ‌ loo  1970 lalo prarambhamaindi , AM ni pramukha vaanijya pramaanhamgaa marchindhi .

 marchi  25, 1925 na ,  jeanne logi bired landon depart ‌ ment store selfridges ‌ loo kadile chitraala prasaaraanni pradharshinchadu .  bired yokka parikaram  Nipkow  disick ‌ pai aadhaarapadindi mariyu aa vidhamgaa mechanically television ‌ gaaa piluvabadinadhi .  idi  30  september  1929  nundi british braad ‌ casting corparetion dwara chosen prayoogaathmaka prasaaraala aadhaaramga ruupomdimchabadimdi .  ayinappatikee , 20 va sataabdamloo chaaala varku ,  television ‌ lu kaarl bran kanugonna kathod Rae tube ‌ pai aadhaarapadi unnayi .  vaagdaanaanni pradharshinchadaaniki atuvanti television yokka modati variation ‌ nu philo forns ‌ worth nirminchaaru mariyu atani kutumba sabhyulaku  7  september  1927 na pradharshinchaaru .  rendava prapancha iddam tarwata ,  antharaayam kaliginchina prayoogaalu punahprarambhinchabadda mariyu television ooka mukhyamaina griha vinoda prasara maadhyamamgaa marindi .

 thermionic kavaataalu 
 thermionic tube ledha thermionic walve ani piluvabadee parikaram rakam signal amplification mariyu cuurrent rectification vento anek praadhimika elctronic functionla choose vedichesina kathod nundi electronla thermionic udgaaraalanu upayogistundi .

 saralamaina vacuum tube , 1904 loo jeanne ambris fleming kanipettina diod ,  vedichesina elctron - udgara kathod mariyu anode Bara kaligi umtumdi .  electronlu parikaram dwara ooka disaloo Bara pravahinchagalavu - kathod nundi anode varku .  tube ‌ loo okati ledha anthakante ekuva niyanthrana gred ‌ lanu jodinchadam valana cathod mariyu anode Madhya cuurrent ‌ nu gred ledha gred ‌ lalooni voltages dwara niyantrinchabadutundi .  yea parikaraalu  20 va shataabdapu modati artha bhagamlo elctronic sarkyuut ‌ lalo keelakamga maaraayi mariyu rdi ,  television ,  radar ,  souund recording mariyu punaruthpatthi ,  suduura telephony nett ‌ varey ‌ lu mariyu analogue mariyu praarambha digitally computers ‌ l abhivruddhiki keelakamainavi .  konni aplication ‌ lu rdi choose spark gap trance ‌ mitar ledha computing choose mechanically computers ‌ l vento munupati saanketikatalanu upayoginchinappatiki ,  thermionic vacuum tube yokka aavishkarana yea saanketikatalanu vistrutamgaa mariyu aacharanaatmakamgaa chesindi ,  idi electronics srustiki dhaaritheesindhi .

1940 lalo ,  semiqandaqtar parikaraala aavishkarana ghana - sthiti parikaraalanu utpatthi cheeyadam saadhyapadindi ,  ivi thermionic gottaala kante chinnavi ,  choukainavi mariyu marinta samarthavanthamainavi ,  viswasaneeyamainavi mariyu mannikainavi . 1960 l madhyakalam nundi ,  thermionic gottaalu transister ‌ thoo bhartee cheyabaddaayi .  thermionic tube ‌ lu ippatikee konni high - freequency amplifier ‌ l choose konni aplication ‌ lanu kaligi unnayi .

 computers nett ‌ varey ‌ lu mariyu internet 
11  septembaru  1940 na ,  gorge stibitz tana complexes nambar calculator choose nuyaark ‌ loni telitipe ‌ ni upayoginchi samasyalanu prasaaram chesudu mariyu nyuu hamp ‌ shair ‌ loni dart ‌ mout collegeelo computed phalithaalanu tirigi pondadu .  remot dumb terminals ‌ thoo koodina kendreekruta computers  ( main ‌ frame )  yokka yea configuration  1970 l varku bagaa praacuryam pondindi . 1960 va dasakamlo ,  parisodhakulu pyaaket maarpidini parisodhinchadam praarambhinchaaru ,  idi kendreekruta main ‌ frame dwara pampakunda asamakaalikamgaa dani gamyasthaanaaniki bhagalalo sandesaanni pampee saanketikata .  nalaugu - nod nett ‌ varey  5  dissember  1969 na udbhavinchindi ,  idi  ARPANET  yokka prarambhanni erparustundi ,  idi  1981  natiki  213  nod ‌ laku pergindhi . ARPANET  chivariki internet ‌ nu roopondhinchadaaniki itara nett ‌ varey ‌ lato vileenam cheyabadindhi .  internet abhivruddhi anede internet enginerring task fores  (IETF)  dhrushtilo Pali ,  varu vyaakhyala choose abhyardhana patraala srenini prachurincharu ,  itara nett ‌ varking purogatulu paarishraamika prayogasaalalalo sambhavinchaayi ,  ethernet  (1983)  mariyu token yokka lokal are nett ‌ varey  (LAN)  abhivruddhi vantivi .  reeng  (1984)[citation needed].

 prasara saamarthyam perugudala 
 remdu - margam telecommunication nett ‌ varey ‌ l dwara prapanchavyaapthamgaa samaachaaraanni marpidi chesukune prabhaavavamtamaina saamarthyam  1986 loo  281  petabyte ‌ l  (pB)  nundi  1993 loo  471 pB ki  2000 loo  2.2  exabite ‌ laku  (eB) 2000 loo  65 eB ki pergindhi .  idi  2007 loo samaanamaina Datia . 1986 loo ooka vyaktiki rojuku remdu varthapathrikala pegilu ,  mariyu  2007  natiki ooka vyaktiki motham aaru varthapathrikalu .  yea vruddhini batti ,  prapancha aardika vyavasthaloo telicomunications chaaala mukhyamaina patra pooshistaai mariyu  2012 loo prapancha telecommunication parisrama dadapu  $4.7  trillianla rangam .  prapancha telicomunications parisrama yokka seva aadaayam  2010 loo  $1.5  trillionlugaa anchana vaeyabadindi ,  idi prapancha sthula jaatiiyotpatti  (GDP) loo  2.4% ki anugunamga Pali .
 bcon ‌ lu ,  telegraf ,  telephony ,  rdi ,  television ,  thermionic walve ‌ lu ,  computers nett ‌ varey ‌ lu mariyu internet 