Just as people use watches and calendars to keep track of important events in their lives, digital applications use counters to keep track of important processes. more…

A universal shift register is an integrated logic circuit that can transfer data in three different modes. Like a parallel register it can load and transmit data in parallel. more…

Essential to competitions, as it may occur to you, is the ability to keep scores so to know who is leading, who is lagging, and how much a team needs to work to win. As a result, humans are experienced score keepers. Though not as aspiring as humans, digital electronics such as household appliances are also good at keeping counts. more…

If you have ever installed a printer or other hardware on your own personal computer, quite likely you have had to choose between a parallel port and a serial port. more…

As we might say that the heart of a living person beats as time passes, even so a counter is a logic circuit that counts as time passes. more…