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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.
In 1979, Kronos delivered the world's first microprocessor-based time clock and, in 1985, delivered its first PC-based time and attendance product. In 1992, Kronos became a publicly-traded company on NASDAQ. Aron Ain, [6] succeeded his brother Mark Ain as chief executive officer in 2005. [7] In March 2007, Kronos went private again, bought out ...
The Dartmouth Time-Sharing System (DTSS) is a discontinued operating system first developed at Dartmouth College between 1963 and 1964. [1] It was the first successful large-scale time-sharing system to be implemented, and was also the system for which the BASIC language was developed. DTSS was developed continually over the next decade ...
Proprietary. 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 ...
Watchclock. A watchclock is a mechanical clock used by security guards as part of their guard tour patrol system which require regular patrols. The most commonly used form was the mechanical clock systems that required a key for manual punching of a number to a strip of paper inside with the time pre-printed on it.
History of timekeeping devices. A marine sandglass. It is related to the hourglass, nowadays often used symbolically to represent the concept of time. The history of timekeeping devices dates back to when ancient civilizations first observed astronomical bodies as they moved across the sky. Devices and methods for keeping time have gradually ...
In 1902, Kienzle launched the time stamp clock on the market and the first clocks for automobiles. The "Strapazier-Armbanduhr" was presented in 1931, and 25 million were sold. [2] At the end of the 1930s, Kienzle started the manufacture of two table clocks in the upper price segment: the Zodiac Clock and the World Time Clock.
NOS (Network Operating System) is a discontinued operating system with time-sharing capabilities, written by Control Data Corporation in 1975. NOS ran on the 60-bit CDC 6000 series of mainframe computers and their successors. NOS replaced the earlier CDC Kronos operating system of the 1970s. NOS was intended to be the sole operating system for ...