Stihl founded in Germany in 1926, invented single-person powered chainsaw. Husqvarna established in Sweden in 1689, world's largest power tool manufacturer
Perforated paper tapes were first used by Basile Bouchon in 1725 for looms. Joseph Marie Jacquard developed punched card-based tape systems in 1801. Claude Seytre patented piano-reading tape in 1842
Portal, first portable computer, appeared in 1980 with 64K RAM and 32-character screen. Osborne 1 (1981) was first true mobile computer with 5-inch screen. Compaq Portable (1982) was first PC-compatible portable computer. Epson HX-20 (1982) was first laptop called "notebook". Grid Compass (1982) introduced first clamshell laptop design
Founded in 1984 as Legend by Liu Chuanzhi and Danny Lui in Beijing. Became world's largest PC vendor in 2013, still holds position as of 2024. Renamed to Lenovo in 2003 after successful IPO in 1994
First computer printer designed by Charles Babbage in 19th century. First inkjet printer patented by C.R. Winston in 1962. First compact digital printer EP-101 by Epson in 1968. Laser printers revolutionized desktop publishing in 1984
Computers process data at millions of per second, faster than humans. A computer accepts input, manipulates data, and produces output. Computers are electronic devices following specific rules