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29th Fighter-Interceptor Squadron
029 may refer to: * Keypunch#IBM 029 Card Punch, IBM 029, a keypunch machine * 029, the telephone area code of Xi'an and Xianyang * Cardiff#Telecommunications, Cardiff, the Cardiff area code {{DEFAULTSORT:29 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Keypunch
A keypunch is a device for precisely punching holes into stiff paper cards at specific locations as determined by keys struck by a human operator. Other devices included here for that same function include the gang punch, the pantograph punch, and the stamp. The term was also used for similar machines used by humans to transcribe data onto punched tape media. For Jacquard looms, the resulting punched cards were joined together to form a paper tape, called a "chain", containing a program that, when read by a loom, directed its operation.Bell, T.F. (1895) '' Jacquard Weaving and Designing'', Longmans, Green And Co. For Hollerith machines and other unit record machines the resulting punched cards contained data to be processed by those machines. For computers equipped with a punched card input/output device the resulting punched cards were either data or programs directing the computer's operation. Early Hollerith keypunches were manual devices. Later keypunches were electrom ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Xi'an
Xi'an ( , ; ; Chinese: ), frequently spelled as Xian and also known by #Name, other names, is the list of capitals in China, capital of Shaanxi, Shaanxi Province. A Sub-provincial division#Sub-provincial municipalities, sub-provincial city on the Guanzhong, Guanzhong Plain, the city is the third most populous city in Western China, after Chongqing and Chengdu, as well as the most populous city in Northwest China. Its total population was 12,952,907 as of the 2020 census. The total urban population was 9.28 million. Since the 1980s, as part of the China Western Development, economic growth of inland China especially for the central and northwest regions, Xi'an has re-emerged as a cultural, industrial, political and educational centre of the entire central-northwest region, with many facilities for research and development. Xi'an currently holds sub-provincial city in the People's Republic of China, sub-provincial status, administering 11 districts and 2 counties. In 2020, Xi'a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Xianyang
Xianyang () is a prefecture-level city in central Shaanxi province, situated on the Wei River a few kilometers upstream (west) from the provincial capital of Xi'an. Once the capital of the Qin dynasty, it is now integrated into the Xi'an metropolitan area, one of the main urban agglomerations in northwestern China, with more than 7.17 million inhabitants, its built-up area made of 2 urban districts (Qindu and Weicheng) was 945,420 inhabitants at the 2010 census. It has a total area of . Xianyang is the seat of the Xi'an Xianyang International Airport, the main airport serving Xi'an and the largest airport in Northwest China, and one of the top 40th- busiest airports in the world. Xianyang is one of the top 500 cities in the world by scientific research outputs, as tracked by the Nature Index. It is home to the main campus of Northwest A&F University (NWAFU), one of the world's top universities in agriculture science related fields, and a member of "Project 985" club which is ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
