A judge queried lawyers during closing arguments on Friday about how A.I. should factor into his decision, which is expected by August.

Brandishing evidence presented during a recent three-week stretch of hearings, Justice Department lawyers will attempt to persuade Mehta to order a radical shake-up that includes a ban on Google paying to lock its search engine in as the default on smart devices and an order requiring the company to sell its Chrome browser.

A judge asked the U.S. Department of Justice on Friday how much room there would be for new search engines to emerge given the rise of artificial intelligence, as antitrust enforcers press for Alphabet's Google to take dramatic measures to restore competition in online search.