Which tool is commonly used in electrical engineering for design purposes?

In electrical engineering, Computer-Aided Design (CAD) software is an essential tool used for designing and drafting electrical systems. This software allows engineers to create detailed schematics, circuit layouts, and other technical drawings that are critical in the design process. CAD software supports precision and efficiency, enabling engineers to visualize components, make calculations, and test designs before physical implementation.

The use of CAD significantly enhances productivity by allowing for easy modifications, simulations, and documentation of designs. This is crucial in electrical engineering where specifications must meet rigorous safety and functional standards. CAD programs also often include libraries of common components, which speeds up the design process.

In contrast, the other options listed do not serve the primary function of design in engineering. SEO software is geared toward improving online visibility and marketing, data analytics tools focus on interpreting and analyzing data, and social media platforms are primarily for communication and marketing purposes rather than technical design. Thus, CAD software stands out as the primary tool utilized for design purposes in electrical engineering.