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<br> The first televisions came into existence in 1927 and were first broadcast by the American Telephone and Telegraph Company. The GE Company then began regular broadcasts in 1928, using a system designed by Ernst F.W. Alexanderson. The GE Company later offered amateurs the opportunity to pick up signals, and amateurs built their own television receivers. A year later, advertising agencies began producing cartoon pantomime programs and sold them through the mail.<br><br> <br><br><br><br> <br><br>The components of a television are divided into four groups. These parts include the exterior housing, audio reception system, picture tube, and computer chips. Although the traditional cathode-ray tubes are no longer made, newer televisions can boast a refresh rate of up to 360Hz. In order to view the content, the screen must be constantly changing or the image may become distorted. https://www.brownbook.net/business/48998425/best-reviews-ca