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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 ...
How to fold a square ddakji from two square sheets of paper. Ddakji (Korean: 딱지; RR: ttakji; MR: ttakchi) [a] is a traditional Korean toy used primarily to play variants of a category of games called ddakji chigi (딱지치기; ttakji chigi; ttakchi ch'igi; lit. playing/hitting ddakji). They are usually made of paper and are thrown in some ...
Drawings from IBM Floppy Disk Drive Patents. IBM's decision in the late 1960s to use semiconductor memory as the writeable control store for future systems and control units created a requirement for an inexpensive and reliable read only device and associated medium to store and ship the control store's microprogram and at system power on to load the microprogram into the control store.
Turret (highlighted in red) attached to a tower on a baronial building in Scotland. In architecture, a turret is a small circular tower, usually notably smaller than the main structure, that projects outwards from a wall or corner of that structure. [1] Turret also refers to the small towers built atop larger tower structures.
Developers only needed to acquire a lot with a frontage area of two small retail shops (two tong lau buildings) in order to build a tower of 20 stories or more. This was when the term "pencil towers" was used to describe these micro-developments. Currently, a 430-square-foot (40 m 2) unit on a pencil tower has an average price of HK$4.3 million.
Azabudai Hills Mori JP Tower, currently the world's largest skyscraper by floor area.. This list of skyscrapers by floor area includes the largest skyscrapers in the world, measured in square meters (m 2) and square feet (sq ft).
Nintendo later released the Famicom Disk System (FDS) in Japan in 1986, intending to have developers distribute all future games on proprietary 2.8-inch (7.1 cm) floppy disks to avoid the cost and size limitations of cartridges; however, developers began re-releasing FDS games on cartridges as advancements in cartridge technology made them ...
Zhengzhou Greenland Plaza, also named as Millennium Royal Plaza, is a skyscraper in Zhengzhou, Henan, China.It is 280 metres (918.6 ft) tall. Construction started in 2007 and was completed in 2012.