On top of ventilators, face masks and health care workers, you can now add COBOL programmers to the list of what several states urgently need as they battle the coronavirus pandemic. For many business users, quick access to huge data stores outweighed its relatively slow processing.The IBM 1401 was very successful; over 12,000 were sold. Economies of scale also favored large, consolidated computer systems.This demand for big computers, just when “second generation” transistor-based computers were replacing vacuum-tube machines in the late 1950s, spurred developments in hardware and software.
$15.00. Soviet Computer Mainframe Punch Card Perforated 1970s USSR 20 pcs. Showing slide {CURRENT_SLIDE} of {TOTAL_SLIDES} - Shop by BrandShowing slide {CURRENT_SLIDE} of {TOTAL_SLIDES} - Shop by ModelShowing slide {CURRENT_SLIDE} of {TOTAL_SLIDES} - Hot This WeekShowing slide {CURRENT_SLIDE} of {TOTAL_SLIDES} - Sponsored ListingsShowing slide {CURRENT_SLIDE} of {TOTAL_SLIDES} - Make an OfferOnce considered old junk as technology left slower computers behind, old mainframes and microcomputers have become valuable on eBay. Certain industrial processes still use vintage big-iron keypunch equipment, too, which makes some of these pieces useful in todays manufacturing environment, and the large, simple systems are also a good starting point for learning computer construction. 30 Watt, LED, POWER SWITCH (UK plug)USSR Soviet Computer Mainframe Punch Card Perforated 1980s 10 pcs №22USSR Soviet Computer Mainframe Punch Card Perforated 1980s 10 pcs №21USSR Soviet Computer Mainframe Punch Card Perforated 1970s 12 pcsIBM TESTER FOR DISCS MAINFRAME PLUS 8pcs CPU 1970s VERY RARE VINTAGE Vintage Soviet Computer Mainframe Punch Card Perforated 1970s USSR 20 pcs №7Vintage Soviet Computer Mainframe Punch Card Perforated 1980s USSR 20 pcs №19Soviet Computer Mainframe Punch Card Perforated 1970s USSR 20 pcsVintage Commodore Amiga 500 Computer w/ Expansion *TESTED, WORKING*Vintage Apple IIGS Woz Limited Edition Computer with Box, Manuals, Wires, TESTEDATARI ST COMPUTER Vintage Electronic TV Console Game System Disk DRIVE ✨SEALED✨ATARI 800 Home Computer Console with Cover, Power Adapter & 2 Games - WorkingCommodore PC-10 III vintage Personal computer from 1984Vintage Apple Macintosh 512K Computer M0001E with MacBagApple Disk II Microsoft Mac Computer Programs GamesAtari 800 Home Computer Complete in Box CIB 4 - UntestedVintage 1985 Laptop Computer - HP 110+ Portable Plus -HP 45711E - Working -11 product ratings - Vintage Apple Macintosh Plus w/ Floppy Emu4 product ratings - Apple IIe Platinum Enhanced 128K w/ Power Cord *Tested & Works*6 product ratings - Vintage Apple IIGS Woz Limited Edition Computer with Box, Manuals, Wires, TESTEDSlide {current_page} of {total_pages} - You May Also Like - Vintage Commodore Amiga 500 Computer w/ Expansion *TESTED, WORKING* - Vintage Apple IIGS Woz Limited Edition Computer with Box, Manuals, Wires, TESTED - ATARI ST COMPUTER Vintage Electronic TV Console Game System Disk DRIVE ✨SEALED✨ - ATARI 800 Home Computer Console with Cover, Power Adapter & 2 Games - Working - Vintage Atari 400 Home Computer *TESTED, WORKING* - Commodore PC-10 III vintage Personal computer from 1984 - Vintage Apple Macintosh 512K Computer M0001E with MacBag - Apple Disk II Microsoft Mac Computer Programs Games - Atari 800 Home Computer Complete in Box CIB 4 - Untested - Vintage 1985 Laptop Computer - HP 110+ Portable Plus -HP 45711E - Working - From Russian Federation. One reason people search out old and antique computers for sale is for refurbishing or retrofitting. These are sometimes tracked down in garages and attics when owners discover they have a valuable antique on their hands. Over time, main frame became mainframe and came to mean “big computer.”This cartoon from an early computing publication shows the steps required in a typical batch-processed job on a punched-card based computer system. It managed Japan's first on-line, real-time reservation system for Kinki Nippon Railways in 1960.Big businesses with big needs required big computers. (Some Prior to System/360, IBM also sold computers smaller in scale that were not considered mainframes, though they were still bulky and expensive by modern standards. NASA used it to control Mercury and Gemini space flights. IBM had difficulty getting customers to upgrade from the smaller machines to the mainframes because so much software had to be rewritten. Once considered old junk as technology left slower computers behind, old mainframes and microcomputers have become valuable on eBay. The supercomputer also had around 16 MB of memory. Make Offer - Vintage Commodore Amiga 500 Computer w/ …
Their operating system was written in the high-level language ALGOL, not in machine or assembly language.Trailblazing computer designer Tom Kilburn is on hand at the shutdown of the University of Manchester Atlas in 1971.Philco began in 1906 making electric car batteries as the “Philadelphia Storage Battery Company." These included: From 1952 into the late 1960s, IBM manufactured and marketed several large computer models, known as the IBM initially sold its computers without any software, expecting customers to write their own; programs were manually initiated, one at a time. IBM Archives: Exhibits: IBM Mainframes: Mainframes photo album Called retrocomputing, the trend is like a hobby. Early mainframe systems were housed in enormous, room-sized metal boxes or frames, which is probably how the term mainframe originated. Hand built in standard racks, ORACLE was the world’s fastest computer in 1953. Processing speed jumped to 105 MHz, making the X-MP the fastest supercomputer in the world—where it remained for almost three years, until 1985. M5011 FD HD - Vintage Apple Macintosh 512K Computer M0001E with MacBag - ATARI 800 Home Computer Console with Cover, Power Adapter & 2 Games - Working - Vintage Apple IIGS Woz Limited Edition Computer with Box, Manuals, Wires, TESTED - Vintage Commodore Vic-20 Computer w/ Display/Storage Stand RARE *WORKS* - IBM 5153 Personal Computer Color Display CRT Monitor Vintage - Commodore 128 Computer Powers On! Nostalgia is one reason people buy old computers.Some old computers for sale, like the Apple Lisa I, are rare and highly prized.