An anonymous reader writes from a report via CNBC: A new report reveals the U.S. Defense Department is still using 8-inch floppy disks in a computer system that coordinates the operational functions of the nation's nuclear forces. The Defense Department's 1970s-era IBM Series/1 Computer and long-outdated floppy disks handle functions related to intercontinental ballistic missiles, nuclear bombers and tanker support aircraft, according to the new Governmental Accountability Office report. The report shows how outdated IT systems are being used to handle important functions related to the nation's taxpayers, federal prisoners and military veterans, as well as to the America's nuclear umbrella. "Federal legacy IT systems are becoming increasingly obsolete: Many use outdated software languages and hardware parts that are unsupported," the report found. "Agencies reported using several systems that have components that are, in some cases, at least 50 years old." From the report: "GAO pointed out that aging systems include the Treasury Department's 'individual master file,' which is the authoritative data source for individual taxpayers. It's used to assess taxes and generates refunds. That file 'is written in assembly language code -- a low-level computer code that is difficult to write and maintain -- and operates on an IBM mainframe,' the report said." The report also mentioned that several other departments, such as the departments of Treasury, Commerce, Health and Human Services and the Veterans' Administration, "reported using 1980s and 1990s Microsoft operating systems that stopped being supported by the vendor more than a decade ago."
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