The term 'THEY MAY POP UP ON YOUR COMPUTER' refers to advertisements, which are often displayed on websites and other digital platforms. The acronym for this term is ADS, which stands for 'ADS'. ADS are typically used by companies to promote their products or services, and can be seen in many different forms, such as banner ADS, pop-up ADS, and video ADS. ADS can be intrusive and annoying, but they are also an important part of the digital economy, as they help to generate revenue for websites and other digital platforms.