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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 ...
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 ...
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.
This is a list of music genres and styles.Music can be described in terms of many genres and styles. Classifications are often arbitrary, and may be disputed and closely related forms often overlap.
Various acoustic devices in a Greek radio studio Deep, pulsating digital sound effect Voice saying "Ja", followed by the same recording with a massive digital reverb A blackbird singing, followed by the same recording with the blackbird singing with 5 voices
Figure 1. Disk structures: (A) Track (B) Geometrical sector (C) Track sector (D) Cluster A disk drive track is a circular path on the surface of a disk or diskette on which information is magnetically recorded and from which recorded information is read.
Musical symbols are marks and symbols in musical notation that indicate various aspects of how a piece of music is to be performed. There are symbols to communicate information about many musical elements, including pitch, duration, dynamics, or articulation of musical notes; tempo, metre, form (e.g., whether sections are repeated), and details about specific playing techniques (e.g., which ...
Map of Lesser Sunda Islands, east of Java Satellite picture of the Lesser Sunda Islands. The Lesser Sunda Islands (Indonesian: Kepulauan Sunda Kecil, Tetum: Illá Sunda ki'ik sirá, Balinese: ᬓᬧᬸᬮᭀᬯᬦ᭄ᬲᬸᬦ᭄ᬤᬘᬾᬦᬶᬓ᭄, romanized: Kapuloan Sunda cénik), now known as Nusa Tenggara Islands (Indonesian: Kepulauan Nusa Tenggara, or "Southeast Islands"), [1] are an ...