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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 ...
The 8-track tape (formally Stereo 8; commonly called eight-track cartridge, eight-track tape, and eight-track) is a magnetic-tape sound recording technology that was popular [2] from the mid-1960s until the early 1980s, when the compact cassette, which pre-dated the 8-track system, surpassed it in popularity for pre-recorded music. [3] [4] [5]
The IBM 350 Disk File was developed under the code-name RAMAC by an IBM San Jose team led by Reynold Johnson. It was announced in 1956 with the then new IBM 305 RAMAC computer. [8] A variant, the IBM 355 Disk File, was simultaneously announced with the IBM RAM 650 computer, [9] an enhancement to the IBM 650.
The disk is a read-only, 8-inch-diameter (200 mm) flexible diskette called the "memory disk" and holding 80 kilobytes of data. Initially the disk was bare, but dirt became a serious problem so they enclosed it in a plastic envelope lined with fabric that would remove dust particles. [ 8 ]
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 ...
The XF551 is a 5 1/4 inch floppy disk drive produced by Atari, Inc. for the Atari 8-bit computers. Introduced in 1987, it matches the gray design language of the XE models. It was the first drive from the company with official support for double-density and double-sided floppy disks—360 kB of storage per disk—and was also the final floppy ...
(The spelling disk and disc are used interchangeably except where trademarks preclude one usage, e.g., the Compact Disc logo. The choice of a particular form is frequently historical, as in IBM's usage of the disk form beginning in 1956 with the "IBM 350 disk storage unit".) Six hard disk drives Three floppy disk drives A CD-ROM (optical) disc ...
IBM 1311 Disk Drives – Model 2 (slave) & Model 3 (master) IBM 1311 disk drive with IBM 1316 removable disk pack at the Computer History Museum. The IBM 1311 Disk Storage Drive was announced on October 11, 1962, and was designed for use with several medium-scale business and scientific computers. [32]