Current location - Training Enrollment Network - Mathematics courses - What are the three properties of three-level digital coding?
What are the three properties of three-level digital coding?
Simple, practical and flexible.

Taking postal code and ID card as examples, it is simple and practical, and it is flexible and changeable to encode the student number with numbers according to the knowledge learned.

Digital coding is a coding that only uses numbers and related special characters to represent data and instructions.