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IBM's first magnetic-tape data storage devices, introduced in 1952, use what is now generally known as 7-track tape. The magnetic tape is 1 ⁄ 2 inch (13 mm) wide, and there are six data tracks plus one parity track for a total of seven parallel tracks that span the length of the tape.
Adam Ondra on the sport climbing route Silence, the hardest free climbing route in the world and the first-ever at 9c (French), 5.15d (American YDS), and XII+ (UIAA).. The two main free climbing grading systems (which include the two main free climbing disciplines of sport climbing and traditional climbing) are the "French numerical system" and the "American YDS system". [2]
The IBM 729 Magnetic Tape Unit was IBM's iconic tape mass storage system from the late 1950s through the mid-1960s. Part of the IBM 7-track family of tape units, it was used on late 700, most 7000 and many 1400 series computers.
Homework charts; Toilet training charts; Single behavior charts can be used for all ages and is best used for learning one skill at a time. Multiple behavior charts also can be used for a variety of ages and can be used for processes that require several steps. [3] Chore charts and behavior charts can each be used for several different situations.
9-track tape drive used with DEC minicomputers Inside a 9-track tape drive. The vacuum columns are the two gray rectangles on the left. A typical 9-track unit consists of a tape transport—essentially all the mechanics that moves tape from reel to reel past the read/write and erase heads—and supporting control and data read/write electronics.
(Reuters) - IBM said on Wednesday it expects a pre-tax charge of nearly $2.7 billion in the third quarter, related to a transaction involving the transfer of some of its pension plan obligations ...
When looking at IBM stock, the valuation metric that stands out to me is its price-to-free-cash-flow ratio of 18, which measures the company's $215.2 billion market capitalization against the $12. ...
The Computing-Tabulating-Recording Company (CTR) [1] was a holding company of manufacturers of record-keeping and measuring systems; it was subsequently known as IBM.. In 1911, the financier and noted trust organizer Charles R. Flint, called the "Father of Trusts", amalgamated (via stock acquisition) four companies: Bundy Manufacturing Company, International Time Recording Company, the ...