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CDC Kronos. Kronos is an operating system with time-sharing capabilities, written by Control Data Corporation in 1971. [1] Kronos ran on the 60-bit CDC 6000 series mainframe computers and their successors. CDC replaced Kronos with the NOS operating system in the late 1970s, which were succeeded by the NOS/VE operating system in the mid-1980s.
Time clock. A time clock, sometimes known as a clock card machine, punch clock, or time recorder, is a device that records start and end times for hourly employees (or those on flexi-time) at a place of business. In mechanical time clocks, this was accomplished by inserting a heavy paper card, called a time card, into a slot on the time clock.
The SCOPE operating system is a file-oriented system using mass storage, random access devices. It was designed to make use of all capabilities of CDC 6000 computer systems and exploits fully the multiple-operating modes of all segments of the computer. Main tasks of SCOPE are controlling job execution, storage assignment, performing segment ...
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Access-control list. In computer security, an access-control list ( ACL) is a list of permissions [a] associated with a system resource (object or facility). An ACL specifies which users or system processes are granted access to resources, as well as what operations are allowed on given resources. [1] Each entry in a typical ACL specifies a ...
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Orthographic 2-view drawing of CDC 6600 with scaling. The CDC 6600. Behind the system console are two of the "arms" of the plus-sign shaped cabinet with the covers opened. Individual modules can be seen inside. The racks holding the modules are hinged to give access to the racks behind them. Each arm of the machine had up to four such racks.