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What is PCB and how does it work?

 A Printed Circuit Board (PCB) is a fundamental component in electronic devices, providing the physical structure to mount and connect electronic components. The process of working with a PCB involves designing, fabricating, assembling, and testing. Below is a simplified guide on how to work with a PCB: 1. Designing a PCB PCB design is the first and crucial step. It involves creating a blueprint of the electrical circuit that will be etched onto the board. Choose PCB Design Software : Common tools include KiCad , Eagle , Altium Designer , or EasyEDA . Schematic Diagram : Create a schematic that shows how components are connected (e.g., resistors, capacitors, ICs). Component Placement : In the PCB design software, place components on the board. The design should consider the physical size and pin connections of the components. Routing : This is the process of connecting the components via traces (the electrical pathways). Ensure proper routing to minimize interference and avoid s...

Computer Generations. | TECHNOLOGY FACTS | Technological Innovations

  Computer Generations Computer generations refer to different stages in the development of computer technology;  There are generally five generations;  First Generation.        The first generation of computers, spanning the 1940s to the early 1950s, was characterized by the use of vacuum tube technology;                      1. Vacuum Tubes : Electronic that controlled the flow of electrical current. they were bulky, fragile, and produce a significant amount of heat, limiting the size and reliability of computers.                         2.  Size and Scale : First generation computers were massive and required large rooms for housing.        Examples include the ENIAC (Electronic Numerical Integrator and Computer) and UNIVAC (Universal Automatic Computer).              ...