What statements about the use of computers and portable media devices in presentations is true?

Computers and portable media devices enhance presentations by allowing for multimedia integration, such as videos and animations, which can increase audience engagement. They also facilitate easy access to information and resources, enabling presenters to provide up-to-date content. Additionally, portable devices like tablets and smartphones allow for greater flexibility and mobility during presentations. However, reliance on technology can pose risks, such as technical malfunctions or connectivity issues.