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A Maxell-branded 3-inch Compact Floppy Disk. The floppy disk is a data storage and transfer medium that was ubiquitous from the mid-1970s well into the 2000s. [1] Besides the 3½-inch and 5¼-inch formats used in IBM PC compatible systems, or the 8-inch format that preceded them, many proprietary floppy disk formats were developed, either using a different disk design or special layout and ...
8-inch floppy disk, inserted in drive, (3½-inch floppy diskette, in front, shown for scale) 3½-inch, high-density floppy diskettes with adhesive labels affixed The first commercial floppy disks, developed in the late 1960s, were 8 inches (203.2 mm) in diameter; [4] [5] they became commercially available in 1971 as a component of IBM products and both drives and disks were then sold ...
The main problems with this format were the high price, due to the quite elaborate and complex case mechanisms. However, the final tip of the scale was when Sony in 1984 convinced Apple Computer to use the 3 + 1 ⁄ 2-inch drives in the Macintosh 128K model, effectively making the 3 + 1 ⁄ 2-inch drive a de facto standard. [citation needed]
As with the 1301, there is a Model 2 which doubles the capacity by stacking two modules. The IBM 1302 Model 1 leased for $5,600 per month or could be purchased for $252,000. Prices for the Model 2 were $7,900 per month or $355,500 to purchase. The IBM 7631 controller cost an additional $1,185 per month or $56,000 to purchase.
Main memory, which was four-way doubleword interleaved, could be 1 to 8 megabytes, with offerings selectable in increments of one megabyte. [5]The Model 168 used semiconductor memory, rather than the magnetic-core memory used by the 370/165 [5] introduced 2 years prior, resulting in a system that was faster and physically smaller than a Model 165.
Siku – German model manufacturer, mostly Matchbox size [85] Simex – Plastic cars made in Argentina first and later Colombia [86] SK – Hong Kong maker of plastic toys [38] Skynet – A division of Aoshima producing 1:48 scale diecast aircraft. Slik Toys – Aluminum toys made in Lansing, Iowa. Shine Dew – ODM/OEM model train factory in ...
The Macintosh External Disk Drive is the original model in a series of external 3 + 1 ⁄ 2-inch floppy disk drives manufactured and sold by Apple Computer exclusively for the Macintosh series of computers introduced in January 1984.
Armory Model Group (Ukraine) Arsenal Model Group (Ukraine) ART model (Ukraine) Artiplast (Italy) Asahi Sangyo (Japan) Astra (Poland) Atlantic (Italy) Atlantis Model (USA) Atom (Japan) Attack Hobby Kits (Czech Republic) Aurora Plastics Corporation (USA) - sold their molds to Monogram in 1977, and later bought by Revell; Aurora-Heller (USA-France)