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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 ...
Testing modified atmosphere in a plastic bag of carrots. Food packaging is a packaging system specifically designed for food and represents one of the most important aspects among the processes involved in the food industry, as it provides protection from chemical, biological and physical alterations. [1]
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.
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.
Food is any substance consumed to provide nutritional support and energy to an organism. [2] [3] It can be raw, processed, or formulated and is consumed orally by animals for growth, health, or pleasure.
A freshwater aquatic food web. The blue arrows show a complete food chain (algae → daphnia → gizzard shad → largemouth bass → great blue heron). A food web is the natural interconnection of food chains and a graphical representation of what-eats-what in an ecological community.
An Amblypodia anita (purple leaf blue butterfly) gathering nutrients from guano. Nutrition is the biochemical and physiological process by which an organism uses food to support its life.
The USDA's original food pyramid, from 1992 to 2005 [1]. A food pyramid is a representation of the optimal number of servings to be eaten each day from each of the basic food groups. [2]