I believe that International Business Machines built the first computers for sale, and they were basically built according the the customers requirements. Other companies followed suit, such as Burroughs. It was not until IBM introduced the 360 model that a standardized computer was offered for sale.
The first commercial computer in the US (sold in quantity more than one and designed to the manufacturer's specification, not the customer's) was made by Remington Rand beginning in 1951, it was the UNIVAC I. IBM followed in 1952 with its 701.
IBM's 709, 7090, 7094, and 7094 II scientific computer line and 705 I, 705 II, 705 III, and 7080 business computer line; long predated the 360 family as standardized compatible computers. The main thing the 360 family did in 1964 was produce a unified scientific/business computer architecture covering a wide range of implementation and price/performance options, making it attractive to a wider customer base.
The brands of a new computers that are available on sale are HP AMD Desktops like Apples and Acer. There are more other brands of a computers that are now on sale online.
The first commercial computer in the UK (the Eliot 152) was delivered in 1950.
It depends on what sale you are looking at and where you live. At the moment, computers and notebooks as HP, Dell, Compaq, and Toshiba are available at a clearance sale.
Best Buy has both desktop and Laptop computers available for sale. Deals and special offers apply to many brands and can be matched or ordered by store locations to meet online deals
1977, but were too expensive.
The IBM 701, their first computer available for sale, had 36 bits per word. This word size was used on all their 700 and 7000 series binary scientific computers.
A - from the sale of its computers a1 - from the sale of the operating system for its computers B - from the sale of its iPhones and iPods b1 - from the sale of apps to run on these C - from the sale of items on iTunes