The document provides information about ICT (Information Communication Technology), the evolution of the web from Web 1.0 to Web 3.0, examples of technology convergence like smartphones, and popular social media platforms. It also discusses online security threats like viruses, worms, trojans, and hackers. Tips are provided for maintaining computer security including using firewalls, automatic updates, and antivirus software. Common digital file formats for images and text are explained, categorizing them as either proprietary, open, uncompressed, lossless, or lossy formats. Specific raster image file formats like JPEG, PNG, GIF, and BMP are outlined along with vector image files.