UNIT 4

TELECOMMUNICATIONS

NOTE

• telecommunication/,telekә,mju:ni'keiʃn/

CONTENTS

• Reading and note-taking • Simple past versus Present Perfect • Transmission lines

• development/di’velәpmәnt/ • invent/in'vent/ • telex/'teleks/ • satellite/'sætәlait/ • modem/´moudem/ • •

telegraphy/ti'legrәfi/ television/´televiʒn/

TASK 1

TASK 1

NOTE

• telephony/ti'lefәni/ • optical/'ɔptikәl/ • fiber/'faibә/ • progression/prә´greʃәn/ • service/'sә:vis/ • digital/'dɪʤɪtl/

• take place /teik pleis/ • prediction/pri'dikʃn/

TASK 2

remember/ri'membә/ important/im'pɔ:tәnt/

• identify/ai'dentifai/ • organize/´ɔ:gә¸naiz/ • access/'ækses/

• • • note/nout/ • note taking

TASK 2

TASK 3

• brief/bri:f/ • significance/sig'nifikәns/ • section/'sekʃn/

• practical/'præktikәl/ • telegraph/'teligrɑ:f/ • outdate/aut'deit/ • rapid/'ræpid/ • success/sәk'ses/ • speed /spi:d/ • express/iks'pres/

TASK 3

• historical/his'tɔrikәl/ • review/ri'vju:/ • true/tru:/ • electrical/i'lektrikәl/ • message/'mesidʤ/

revolutionize/,revә'lu:ʃnaiz/

step/step/ invention/in'venʃn/

experimentally/eks,peri'mentәli/ radiate/´reidi¸eit/

existence/ig'zistәns/

• • personal/'pә:snl/ • verify/'verifai/ • • • prove/prove/ • • broadcasting/´brɔ:d¸ka:stiŋ/

• major/'meidʤә/ • • • enable/i'neibl/ • speech/spi:tʃ/ • transport/trænspɔ:t/ • basis/'beisis/

TASK 3

electron/i'lektrɔn/ exist/ig'zist/ atmosphere/'ætmәsfiә/ inonosphere/ai'ɔnәsfiә/ overcome/,ouvә'kʌm/

• • • • • • Atlantic/әt'læntik/ • round/raund/ • height/hait/

• establish/ɪˈstæblɪʃ/ • England/'iɳglәnd/ • Canada/kænәdә/ • realize/'riәlaiz/ • achieve/ә'tʃi:v/ • ionize/'aiәnaiz/ • gas/gæs/

TASK 3

thermionic/,θɜ:mi'ɒnik/

serve/sә:v/

• military/'militәri/ • powerful/'pauәful/ • • detection/di'tekʃn/ • vital/'vaitl/ • navigation/,nævi'geiʃn/

• discovery/dis'kʌvәri/ • • valve/vælv/ • advance/әd'vɑ:ns/ • associate/ә'souʃiit/ • impact/'impækt/ • civil/'sivl/

TASK 3

TASK 3

• technology /tek'nɔlәdʤi/ • subsequent /'sʌbsikwәnt/ • microelectronic /¸maikrouilek´trɔnik/ • application /,æpli'keiʃn/ • feasible /'fi:zәbl/

• graphics/´græfiks/ • financial/fai'nænʃәl/ • terminal/'tә:minl/ • convey /kәn'vei/ • improvement/im'pru:vmәnt/ • submarine/'sʌbmәri:n/

TASK 3