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The IBM 7340 "Hypertape" system was a magnetic tape data storage format designed to work with the IBM 7074, 7080 and 7090 computers that was introduced in 1961 and withdrawn in 1971. As a technology, it deviated in several ways from the then dominant IBM 7 track system. It distinguished itself by having higher capacity, faster data transfer ...
The IBM 7340 Hypertape drive, introduced in 1961, used a dual reel cassette with a 1-inch-wide (2.5 cm) tape capable of holding 2 million six-bit characters per cassette. [ citation needed ] In the 1970s and 1980s, audio Compact Cassettes were frequently used as an inexpensive data storage system for home computers , [ b ] or in some cases for ...
The 7070, 7072 and 7074 support a variety of peripheral devices. including up to 1 7150 console typewriter, 4 7300 Disk-Storage units attached to an IBM 7604 Tape Control via an IBM 7605 RAMAC Control, 40 729 models II and IV [c] tape drives attached to an IBM 7604 Tape Control, and 6 (3 input, 3 output) unit record devices attached to an IBM ...
User's guide for a Dulcitone keyboard. A user guide, also commonly known as a user manual, is intended to assist users in using a particular product, service or application. It is usually written by a technician, product developer, or a company's customer service staff. Most user guides contain both a written guide and associated images.
Products, services, and subsidiaries have been offered from International Business Machines (IBM) Corporation and its predecessor corporations since the 1890s. [1] This list comprises those offerings and is eclectic; it includes, for example, the AN/FSQ-7, which was not a product in the sense of offered for sale, but was a product in the sense of manufactured—produced by the labor of IBM.
In 2003 IBM's HDD business was acquired by Hitachi, reorganized as Hitachi Global Storage Technologies(HGST) which was sold, splitting the business between Western Digital and Toshiba in 2012. The part acquired by Western Digital has retained the " HGST Ultrastar " brand name.
IBM (1959). IBM Operators Guide: Reference Manual (PDF). A24-1010-0. The IBM Operators Guide, 22-8485 was an earlier edition of this book; Murray, Francis J. (1961). Mathematical Machines Volume 1: Digital Computers. Columbia University Press. Has extensive descriptions of unit record machine construction.
IBM 7010 system: console (in front), disc drives and processing modules (left), tape storage, punch card reader and printer (right) The 700/7000 commercial architecture inspired the very successful IBM 1400 series of mid-sized business computers. In turn, IBM later introduced a mainframe version of the IBM 1410 called the IBM 7010. Data format