The 'tele' in television comes from a Greek word meaning what?
AnswerFar
Television combines Greek tele (far) with Latin visio (sight): seeing from afar.
Tech · Facts & stats
Television facts & stats
7 fact-checked facts about television, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
Screen pixels create colors by mixing which three colors of light?
AnswerRed, green and blue
Displays mix red, green and blue light at each pixel to make the full range of colors.
Going deeper
What is the standard aspect ratio of an HD widescreen TV?
Answer16:9
HD widescreen pictures are 16 units wide for every 9 units tall.
What was the aspect ratio of standard-definition TV before widescreen?
Answer4:3
Classic standard-definition TV screens were 4 units wide by 3 tall, almost square.
A 'Full HD' 1080p picture has how many pixels across and down?
Answer1920 × 1080
Full HD is 1920 pixels wide by 1080 pixels tall, about 2 million pixels.
Expert level
Which American inventor built the first fully electronic television system, using an 'image dissector'?
AnswerPhilo Farnsworth
Philo Farnsworth transmitted his first electronic image in 1927 using his image dissector tube.
Early mechanical television systems scanned images using what spinning device?
AnswerA Nipkow disk
The Nipkow disk, devised by Paul Nipkow in the 1880s, used spiral holes to scan an image line by line.
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