Unit 3androidandroidsignalsignaltypetypecoachcoacharisearise(arose, arisen)(arose, arisen)n. n. 机器人机器人vi. & vt. vi. & vt. 发信号 发信号 n. n. 信信号号n. n. 类型 类型 vt. & vi. vt. & vi. 打字打字n. n. 教练教练vi. vi. 出现；发生出现；发生Words previewelectronicelectronicappearanceappearancemopmopniecenieceadj. adj. 电子的电子的n. n. 外观；外貌；出现外观；外貌；出现n. n. 拖把 拖把 vt. vt. 用拖把拖；用拖把拖；擦擦n. n. 侄女；甥女侄女；甥女Words previewin a waywith the help ofdeal withwatch over在某种程度上在……的帮助下处理；安排；对付看守；监视Expressions previewTry your best to describe what the 21st century is like.Do you know IT?What does IT consist of?DiscussionFor referenceFor reference Information Technology (IT)Information Technology (IT) is a is a broad subject concerned with the broad subject concerned with the use of technology in managing and use of technology in managing and processing information, especially processing information, especially in large organizations. In in large organizations. In particular, IT deals with the use of particular, IT deals with the use of electronic electronic computers and computer software computers and computer software to convert, store, protect, process, to convert, store, protect, process, transmit, and retrieve information. transmit, and retrieve information. For that reason, computer For that reason, computer professionals are often called IT professionals are often called IT specialists or Business Process specialists or Business Process Consultants, and the division of Consultants, and the division of a company or university that deals with software technology is often called the IT department . Other names for the latter are information services (IS) or management information services (MI...
