If developing software , there's vital to appreciate the distinct roles of high-level design and detailed design. High-level design provides a broader perspective of the project, describing the principal components and their relationships omitting detailed implementation specifics. On the other … Read More

Walk into any busy kirana store, pharmacy or cafe in India today and watch the billing counter. The shops with short queues all have two machines in common: a 2D barcode scanner and a thermal receipt printer. Together they cost less than a smartphone, and they change how fast a counter moves.… Read More