communication a matter of seconds. The mobile phone was invented in 1973 by Dr. Martin Cooper, a Motorola employee. On April 3, 1973, the first cell phone call was made. The caller was naturally, Dr. Cooper himself. Prior to the development of mobile phones, people used two-way radios to communicate while they were mobile. The idea behind two-way radios gave rise to the invention of mobile phones. During the 1940s, Motorola came up with the Walkie-Talkie followed by handheld two-way radios that operated on battery power. In 1947, Douglas Ring and W. Rae Young at Bell Labs introduced the idea of hexagonal cells for mobile phones. Ericsson came up with an automatic mobile phone system, which was released in Sweden in 1956. The drawback of this system was that the phones weighed 40 kg´s. Till 1970, mobile phones had to remain within their cell area and there were no means to continue communication while switching between cell areas.
What made his comedy so popular was the sympathy for human beings of the oddest sorts as well as for the ordinary people. The life of his characters was full of misfortunes, but the always overcame their despair with courage and determination. Although he denied any social meaning in his films he ridiculed the values of society mercilessly. In "Modern Times" he showed the terrible working conditions at the production line in a giant US factory. His first full length talkie "The Great Dictator" was an anti-fascist masterpiece ridiculing Hitler. After WW II he spoke out against the McCarthy witch-hunts against communists. For that he was deprived of the right to live in US. He said he would never go back, but in 1972 he went back to accept the highest prize in the film industry an Oscar Reward. The last 25 years of his life were spent on Switzerland. He lived in a quiet Swiss village with views of Lake Geneva. He died of old age when he was 88, early in the
to shoot, shot , shot a film- filmi tegema the film has got an all-star cast- filmis mängivad staarid unusual shots of wild animals- ebaharilikud võtted metsloomadest exotic places- eksootilised kohad a good story developed with great care- hea lugu, mis hea hoolega tehtud an original approach to the problem- originaalne lähenemine probleemile an unforgettable performance by an actor- unustamatu näitlejate mäng the expresson of a new idea- hea isee esile toomine a silent film , a talkie, a dubbed film- tummfilm, kõnejafilm a black and white film, a colour film, a wide screen film, a coproduction film- laiekraanifilm, koostööfilm get a good imperesson of the film- filmist jäi hea mulje can't afford the money to buy the ticket- ei ole raha pileti ostmiseks to prefer the cinema to the theatre- eelistama kino teatrile the cinema audience- kinopublik. Book theatre tickets in advance- broneerima teatri pileteid
letters or memos predates the creation of the Internet. Pictures, documents and other files are sent as email attachments. Emails can be cc-ed to multiple email addresses. Internet telephony is another common communications service made possible by the creation of the Internet. VoIP stands for Voice- over-Internet Protocol, referring to the protocol that underlies all Internet communication. The idea began in the early 1990s with walkie-talkie- like voice applications for personal computers. In recent years many VoIP systems have become as easy to use and as convenient as a normal telephone. Data transfer File sharing is an example of transferring large amounts of data across the Internet. A computer file can be emailed to customers, colleagues and friends as an attachment. It can be uploaded to a website or FTP server for easy download by others
microscope. 8. He knew how to push the right buttons, exploiting her sense of guilt to get his own way. LANGUAGE FOCUS V 1. Inside a computer you will find several circuit boards. 2. When you save your work on a computer, it is stored on one of its storage devices the hard disk, the floppy drive or the CD-ROM. 3. It's a mobile phone, but it can be used as a walkie-talkie, too. It's quite an interesting little gadget. 4. A laptop is easy to carry with you, but it's not as powerful as a proper desktop computer. 5. A word processor is a software application which helps you type, format and edit texts. 6. Before attempting any repairs, make sure you have cut off the power source. 7. Text messaging has gained popularity over the last few years, becoming one of the most common forms of communication. 8
Ümber juhtme tekivad magnetväljad, mis on vastassuunaline. Magnetväli on ainult juhtmete vahel, eemal on tasakaalus, mistõttu ei tekita väljas häireid (magnetväljade jõujooned on vastassuunalised). Võrgukaablis on 4 keerdpaari, tavaliselt kasutatakse aga ainult ühte. o Simpleks – ühesuunaline side. Saadetakse signaal teele, vastu ei tule midagi. o Dupleks – kahesuunaline side. Pooldupleks – walkie-talkie. Samal ajal ei saa edastada, aga kordamööda – vastassuunaline side on võimalik (piisab 1st kaablist) Täisdupleks – telefon – saab samal ajal rääkida – andmed jooksevad samal ajal erinevates suundades. UTP – unshielded twisted pair STP – shielded twisted pair CAT – kategooria näitab kvaliteeti. Mida suurem on number, seda parem on
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