How can a computer expert get in?

Enter the app for the first time, return to the desktop, clear the background of the app, and just enter it for the second time. Computer Examination Expert This is a mobile phone application platform to help computer professional partners pass the exam smoothly. There is a comprehensive computer level 1 and level 2 exam question bank, which has a comprehensive knowledge coverage of word, Excel and PowerPoint to help you study effectively and pass the exam smoothly.