![]() 5 Exabytes: All words ever spoken by human beings.2 Exabytes: Total volume of information generated worldwide annually.200 Petabytes: All printed material OR production of digital magnetic tape in 1995.20 Petabytes: Production of hard-disk drives in 1995.8 Petabytes: All information available on the Web.2 Petabytes: All US academic research libraries.1 Petabyte: 3 years of EOS data (2001).400 Terabytes: National Climactic Data Center (NOAA) database.In short scale Billion prefix (109) is giga, Trillion prefix (1012) is tera, Billionth prefix (10. 1 Gigabyte: a pickup truck filled with paper OR a symphony in. In most English-speaking countries short scale is used. 50 Terabytes: The contents of a large Mass Storage System Many of the following facts were taken from Roy Williams Data Powers of Ten page at Caltech.10 Terabytes: The printed collection of the US Library of Congress.2 Terabytes: An academic research library OR a cabinet full of Exabyte tapes.1 Terabyte: An automated tape robot OR all the X-ray films in a large technological hospital OR 50000 trees made into paper and printed OR daily rate of EOS data (1998).100 Gigabytes: A floor of academic journals OR a large ID-1 digital tape.The power in watts P(W) is equal to 109 times the power in gigawatts P(GW). 50 Gigabytes: A floor of books OR hundreds of 9-track tapes Gigawatts (GW) to watts (W) power conversion: calculator and how to convert.20 Gigabytes: A good collection of the works of Beethoven OR 5 Exabyte tapes OR a VHS tape used for digital data.2 Gigabytes: 20 meters of shelved books OR a stack of 9-track tapes.1 Gigabyte: a pickup truck filled with paper OR a symphony in high-fidelity sound OR a movie at TV quality.500 Megabytes: A CD-ROM OR the hard disk of a PC.200 Megabytes: A reel of 9-track tape OR an IBM 3480 cartridge tape.100 Megabytes: 1 meter of shelved books OR a two-volume encyclopaedic book.10 Megabytes: A minute of high-fidelity sound OR a digital chest X-ray.5 Megabytes: The complete works of Shakespeare OR 30 seconds of TV-quality video.2 Megabytes: A high resolution photograph.1 Megabyte: A small novel OR a 3.5 inch floppy disk.500 Kilobytes: A very heavy box of punched cards.100 Kilobytes: A low-resolution photograph.50 Kilobytes: A compressed document image page.10 Kilobytes: An encyclopaedic page OR a deck of punched cards. ![]() 100 bytes: a telegram ORr a punched card.Williams "Data Powers of Ten" page at Caltech.
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