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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 ...
Drives supporting this format were offered by a number of manufacturers and soon became common for moving smaller amounts of data. This disk format became known as the Single Sided Single Density or SSSD format. It was designed to hold the same amount of data as 3000 punch cards. [17] 8-inch disk drive with diskette 3½-inch disk for comparison
A track is a physical division of data in a disk drive, as used in the Cylinder-Head-Record (CCHHR) addressing mode of a CKD disk. The concept is concentric, through the physical platters, being a data circle per each cylinder of the whole disk drive. In other words, the number of tracks on a single surface in the drive exactly equals the ...
Investors have pared back gains after Thursday's mixed jobless claims data, which sent the 10-year Treasury yield above 4.6% and reached a seven-month high. The rate fell back modestly on Friday.
A rear view of the Commodore 1541 disk drive, with the top cover and shielding removed. The Commodore 1541 (also known as the CBM 1541 and VIC-1541) is a floppy disk drive which was made by Commodore International for the Commodore 64 (C64), Commodore's most popular home computer.
New rule is department's latest effort to improve commercial air travel for passengers with disabilities. Here's what's in it.
Oleksandr Usyk remained undefeated when he successfully defended his heavyweight titles with a unanimous decision over Tyson Fury on Saturday night in Riyadh, Saudi Arabia. Judges Gerardo Martinez ...