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  2. Intertek - Wikipedia

    en.wikipedia.org/wiki/Intertek

    Intertek Consumer Goods and Retail is the largest tester of consumer goods in the world and has a network of more than 1,000 laboratories across around 100 countries. [ 12 ] The company has more than 44,000 employees across 100 countries in over 1,000 locations including large-scaled offices and testing facilities in New York City , London and ...

  3. Programmable interval timer - Wikipedia

    en.wikipedia.org/wiki/Programmable_Interval_Timer

    The Intel 8253 PIT was the original timing device used on IBM PC compatibles.It used a 1.193182 MHz clock signal (one third of the color burst frequency used by NTSC, one twelfth of the system clock crystal oscillator, [1] therefore one quarter of the 4.77 MHz CPU clock) and contains three timers.

  4. Time switch - Wikipedia

    en.wikipedia.org/wiki/Time_switch

    A time switch (also called a timer switch, or simply timer) is a device that operates an electric switch controlled by a timer. Intermatic introduced its first time switch in 1945, which was used for "electric signs, store window lighting, apartment hall lights, stokers, and oil and gas burners." A consumer version was added in 1952. [1]

  5. Timer - Wikipedia

    en.wikipedia.org/wiki/Timer

    Mechanical timers use clockwork to measure time. [1] Manual timers are typically set by turning a dial to the time interval desired, turning the dial stores energy in a mainspring to run the mechanism. They function similarly to a mechanical alarm clock, the energy in the mainspring causes a balance wheel to rotate back and forth. Each swing of ...

  6. Electronic data processing - Wikipedia

    en.wikipedia.org/wiki/Electronic_data_processing

    The first commercial business computer was developed in the United Kingdom in 1951, by the J. Lyons and Co. catering organization. [6] This was known as the 'Lyons Electronic Office' – or LEO for short. It was developed further and used widely during the 1960s and early 1970s.

  7. This space heater has 45,000 five-star reviews and it's just $27

    www.aol.com/lifestyle/givebest-space-heater-sale...

    Compact, this ceramic space heater measures in at 7.9 x 6.2 x 10.2 inches but with two heat levels of 1500 or 750 watts, this space heater is powerful enough to keep a small room cozy.

  8. Clock signal - Wikipedia

    en.wikipedia.org/wiki/Clock_signal

    Clock signal and legend. In electronics and especially synchronous digital circuits, a clock signal (historically also known as logic beat) [1] is an electronic logic signal (voltage or current) which oscillates between a high and a low state at a constant frequency and is used like a metronome to synchronize actions of digital circuits.

  9. Electronic data interchange - Wikipedia

    en.wikipedia.org/wiki/Electronic_data_interchange

    EDI and similar technologies allow a company to take advantage of the benefits of storing and manipulating data electronically without the cost of manual entry. Another advantage of EDI is the opportunity to reduce or eliminate manual data entry errors , such as shipping and billing errors, because EDI eliminates the need to re-key documents on ...

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