登录
a device worn on the head that combines a headphone and microphone for listening and speaking
耳机
a small, removable card that stores data for one's mobile device and identifies one to the network
SIM卡
a machine, particularly one connected to a computer, that prints text or pictures onto paper
打印机
a device that creates a digital copy of a document or photo and sends it to a computer
扫描仪
equipment that transforms electrical signals into sound, loud enough for public announcements, playing music, etc.
扬声器
a small computer that you can take with you wherever you go, and it sits on your lap or a table so you can use it
笔记本电脑
a flat, small, portable computer that one controls and uses by touching its screen
平板电脑
a portable device that combines the functions of a cell phone and a computer, such as browsing the internet, using apps, making calls, etc.
智能手机
(of signals or data) representing and processing data as series of the digits 0 and 1 in electronic signals
数字的
the system through which different devices can be connected to each other over short distances wirelessly using radio waves
蓝牙
a device that has two pieces that cover the ears and is used to listen to music or sounds without others hearing
耳机
a piece of equipment used for recording voices or sounds or for making one's voice louder
麦克风
a global computer network that allows users around the world to communicate with each other and exchange information
互联网
