The United States is undoubtedly the best MIT, followed by Stanford, Carnegie Mellon, University of California at Berkeley, University of Washington, University of Texas at Austin, University of Pennsylvania, Cornell and so on. Japan: I know that Tokyo University and Waseda University are strong in this respect, but I don't know this comprehensively enough. Computer is also ranked first (master's degree) in the above universities, plus Princeton and Georgia Institute of Technology. Japan checked the information, and the ranking is: 1 University of Tokyo.
Kyoto University Kyoto University
University of Tsukuba University of Tsukuba
12 Nagoya University Nagoya University
13 osaka university osaka university
15 Keio University Keio University
27 tokyo institute of technology, tokyo institute of technology
28 Kyushu University Kyushu University
36 Kobe University Kobe University
Okayama University
ritsumeikan university
55 Hiroshima University Hiroshima University
In fact, Waseda is also very strong in computers.