Computers have both positive and negative impacts on society according to the document. Positively, computers enhance learning through access to online information, enable social connections through sites like social media, and make professional and personal tasks more efficient. However, computers can also negatively impact physical health by reducing activity and straining eyes. Children are more vulnerable to inappropriate online content. Computer use has also been linked to issues like addiction, radiation exposure, and weakening of real-world social and family connections. While technology provides benefits, overuse carries risks that must be moderated.