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BCD stands for Binary-Coded Decimal. This coding scheme represents each digit of a decimal number using its binary equivalent. For example, the decimal number 45 is represented in BCD as the binary values for 4 and 5, which are 0100 and 0101, respectively.

Using BCD is advantageous in digital electronics, especially in applications where it is important to accurately display decimal numbers, such as in calculators and digital clocks. This system allows for easy conversion between binary and decimal formats since each decimal digit corresponds directly to its binary representation.

The other options provided do not accurately reflect the meaning of BCD in the context of digital electronics. For instance, "Binary Code Department" and "Basic Computer Data" do not pertain to a recognized encoding system, while "Binary Compiled Data" is not a term used in relation to the encoding of decimal numbers in binary form. Hence, the term BCD is correctly identified as Binary-Coded Decimal.