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          Half subtractors and full subtractors will be explained in this section. The rules for the bina...

          Adding binary numbers is a very simple task. The rules (addition tables) for binary addition using  two bits are shown in Fig. 8...

          Multiple gate functions can be combined to form more complex or different Boolean logic functi...

          Various forms of logical building blocks are available in integrated circuit form. These logic...

Digital electronics is a large branch of the electrical-electronics field relating to those electronic functions used in performing logica...

          However, there are instances in which the input signal is naturally discrete in form, e.g., puls...

      LEDs can be powered by continuous current or by brief pulses of current. When operated continously, the current can be varied to c...

      Semiconductor Light Source When bombarded by light, heat, electrons and other form of energy, most semiconductor crystals will em...