One of the first systems of ... the precision of our clocks. Those clocks were designed so well that many of them are still around and functioning. One of these 100-year-old self-winding clocks ...

Often, computer cases also featured a small ... their own timing mechanisms independent of the CPU clock speed. Operating systems like Windows 95 also started handling these compatibility issues ...

[Ian Dunn] chose those very parts to produce his 4017 Decade Binary Clock. The clock uses only digital logic ICs to tell the time – there are no microcontrollers here! After four or five ...