Broadly computers are of two types, General purpose computer like laptop or desktop computer and the other one are embedded computer. The embedded computer has very small processing power and memory.
Arduino Uno is an open-source hardware development board designed by Arduino company and user community that designs and manufactures single-board microcontrollers and microcontroller kits for building digital devices.
7-segment is simple to understand and making projects. In this post, I'll show you how you can interface 7-segment display to a microcontroller in different ways.
Pull-up and pull-down resistor are two different circuits used to set up external signal for hardware interrupt or preset signal.