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  2. Magnetic-tape data storage - Wikipedia

    en.wikipedia.org/wiki/Magnetic-tape_data_storage

    The device that performs the writing or reading of data is called a tape drive. Autoloaders and tape libraries are often used to automate cartridge handling and exchange. Compatibility was important to enable transferring data. Tape data storage [2] is now used more for system backup, [3] data archive and data exchange. The low cost of tape has ...

  3. Programmable calculator - Wikipedia

    en.wikipedia.org/wiki/Programmable_calculator

    The first programmable calculators such as the IBM CPC used punched cards or other media for program storage. Hand-held electronic calculators store programs on magnetic strips, removable read-only memory cartridges, flash memory, or in battery-backed read/write memory.

  4. IBM MT/ST - Wikipedia

    en.wikipedia.org/wiki/IBM_MT/ST

    IBM Magnetic Tape/Selectric Composer (MT/SC) in use Panel of MT/ST. The IBM MT/ST (Magnetic Tape/Selectric Typewriter, and known in Europe as MT72 [1]) was a model of the IBM Selectric typewriter, built into its own desk, integrated with magnetic tape recording and playback facilities, located in an attached enclosure, with controls and a bank of relays. [2]

  5. Computer programming in the punched card era - Wikipedia

    en.wikipedia.org/wiki/Computer_programming_in...

    A single program deck, with individual subroutines marked. The markings show the effects of editing, as cards are replaced or reordered. Many early programming languages, including FORTRAN, COBOL and the various IBM assembler languages, used only the first 72 columns of a card – a tradition that traces back to the IBM 711 card reader used on the IBM 704/709/7090/7094 series (especially the ...

  6. 9-track tape - Wikipedia

    en.wikipedia.org/wiki/9-track_tape

    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.

  7. IBM 2540 - Wikipedia

    en.wikipedia.org/wiki/IBM_2540

    The IBM 2540 is a punched-card computer peripheral manufactured by IBM Corporation for use of System/360 and later computer systems. The 2540 was designed by IBM's Data Processing Division in Rochester, Minnesota, and was introduced in 1965. [1]