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Binary Coded Decimal (BCD) Video Lecture | Digital Electronics - Electrical Engineering (EE)
FAQs on Binary Coded Decimal (BCD) Video Lecture - Digital Electronics - Electrical Engineering (EE)
| 1. What is Binary Coded Decimal (BCD)? |  |
Binary Coded Decimal (BCD) is a binary representation of decimal numbers where each decimal digit is represented by a fixed number of binary bits. In BCD, each decimal digit is represented by a 4-bit binary code. For example, the decimal number 9 is represented as 1001 in BCD.
| 2. How is BCD different from regular binary representation? | |
BCD differs from regular binary representation by using a fixed number of bits to represent each decimal digit. In regular binary representation, each digit is represented using only 1 bit (0 or 1), while BCD uses 4 bits for each digit. This allows direct conversion between BCD and decimal without the need for complex arithmetic operations.
| 3. What are the advantages of using BCD? | |
Using BCD has several advantages. Firstly, it allows for simple and efficient conversion between binary and decimal representations without the need for complex algorithms. Secondly, BCD is easily human-readable as it directly represents decimal digits, making it useful in applications where decimal accuracy is important, such as financial calculations or digital displays.
| 4. What are some common applications of BCD? | |
BCD is commonly used in applications where decimal accuracy is necessary, such as in calculators, digital clocks, and electronic meters. It is also used in communication protocols where decimal data needs to be transmitted and decoded accurately, such as in telecommunication systems and data transmission over serial interfaces.
| 5. Can BCD represent negative numbers? | |
No, BCD is typically used for representing non-negative decimal numbers. It does not have a standard representation for negative numbers. However, negative numbers can be represented using additional bits or through the use of sign bits in conjunction with BCD encoding.
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