half-inch tape


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half-inch tape

The width of the digital magnetic tape that became popular in the 1950s. Much more convenient and holding more data, half-inch self-threading tape cartridges began to replace open reels in the mid-1980s (see tape cartridge).

Although storage capacity was limited to little more than a couple hundred megabytes per reel, a few legacy information systems using open reel tapes survived into the 21st century. See open reel, magnetic tape and track.


The Half-Inch Open Reel
Practically extinct today, half-inch open reels were the common means of computer storage from the 1950s to the 1980s.
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References in periodicals archive ?
Plasmon has a range of automated tape library products based on IBM's fast-access MagStar technology and has just launched its own range of half-inch tape storage which is backwards compatible with older traditional tape formats.
As far as cost, market research firm Dataquest places the price to create a 600 megabyte CD-ROM for software distribution at $2.50, whereas Dataquest isolates the cost for a 200 magabyte half-inch tape at $5.00 and a 1.44 megabyte 3.5 inch floppy disc at 35 cents.
Eight-track sounds great because it's half-inch tape, and it just sounds ...