Explanation
JSON is used for data exchange between web servers and web applications. It is easy to read and write, and can be parsed and generated by most programming languages. JSON data is represented in a text format using double quotes to enclose keys and values. JSON is widely used in web development for data exchange and storage.
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📚 Related Concepts
- (a) List down any four key characteristics of Light Rail Transit System (LRT).
- (b) Define :
- (i) Ruling gradient (ii) Pusher gradient (iii) Momentum gradient (iv) Grade compensation on curves
- (c) What is meant by interlocking of signals and points? List down any three essential regulations.
- (d) Describe the operation of centralized train control system (CTC).