This course enables students to master relevant computer terminology and basic shopping vocabulary in the scene of buying a computer. Through the study of the course, the students can understand the classification of computers, know the parameters and relevant brand knowledge of the main configurations of computers such as processor, memory, graphics card and hard disk, as well as other configurations such as radiator and display. while purchasing, students can combine the trial of offline experience store with the comparison of online parameters, and finally choose a computer suitable for themselves.