"Speaking machines". The parlour review, Philadelphia. 1 (3). January 20, 1838. สืบค้นเมื่อ October 11, 2010.
google.fr
books.google.fr
"Pascal and Leibnitz, in the seventeenth century, and Diderot at a later period, endeavored to construct a machine which might serve as a substitute for human intelligence in the combination of figures" The Gentleman's magazine, Volume 202, p.100
"Parallel processors composed of these high-performance microprocessors are becoming the supercomputing technology of choice for scientific and engineering applications", 1993, "Microprocessors: From Desktops to Supercomputers". Science Magazine. สืบค้นเมื่อ 2011-04-23.
udel.edu
copland.udel.edu
According to advertising on Pickett's N600 slide rule boxes."Pickett Apollo Box Scans". Copland.udel.edu. สืบค้นเมื่อ 2010-02-20.
upenn.edu
In 1946, ENIAC required an estimated 174 kW. By comparison, a modern laptop computer may use around 30 W; nearly six thousand times less.
"Approximate Desktop & Notebook Power Usage". University of Pennsylvania. คลังข้อมูลเก่าเก็บจากแหล่งเดิมเมื่อ 2009-06-03. สืบค้นเมื่อ 2009-06-20.
In 1946, ENIAC required an estimated 174 kW. By comparison, a modern laptop computer may use around 30 W; nearly six thousand times less.
"Approximate Desktop & Notebook Power Usage". University of Pennsylvania. คลังข้อมูลเก่าเก็บจากแหล่งเดิมเมื่อ 2009-06-03. สืบค้นเมื่อ 2009-06-20.
