Homonym: 0101 (Binary)
The sequence "0101" is a binary number, which is a system that uses only two digits: 0 and 1. In the binary system, each digit represents a power of 2, starting from the right. For "0101," the value can be calculated as 0×2^3 + 1×2^2 + 0×2^1 + 1×2^0, which equals 5 in the decimal system.
Binary numbers are fundamental in computing and digital electronics, as they represent data and instructions in a format that computers can process. The binary system is closely related to computer science and is essential for understanding how programming and data storage work.