The most common disadvantages include threats to cybersecurity, privacy protection, and job loss. In addition, it has widened the digital gap between those with access to technology and those without access. Discover the advantages and disadvantages of computers. Learn about increased efficiency, access to information, communication, and more. Discover 20+ advantages and disadvantages of AI, its benefits, risks, industry impact, and future scope. Learn how AI shapes society, jobs, and innovation. Multitasking: Multitasking is one of the main advantages of computers. A person can do multiple tasks, and multiple operations at the same time, and calculate numerical problems within a few seconds.