书籍 Top Notch 1A - 第 5 单元 - 预览

a device that does what is was made to do by controlling and directing a small electric current

a flat, small, portable computer that one controls and uses by touching its screen

a computer that is small and portable and works with a rechargeable battery

a computer that is made to fit on a table or desk but is not portable

a series of keys on a board or touchscreen that we can press or tap to type on a computer, typewriter, smartphone, etc.

a satellite system that shows a place, thing, or person's exact position using signals

a portable device that combines the functions of a cell phone and a computer, such as browsing the Internet, using apps, making calls, etc.

a phone that we can carry with us and use anywhere because it has no wires

a small device used for storing data or transferring data between electronic devices

a camera that captures an image as digital data that can be kept and viewed on a computer

a device that has two pieces that cover the ears and is used to listen to music or sounds without others hearing

a very small device that we put on the opening outside of our ear canals to listen to music or sounds without others listening

a device used for making images or videos appear on a screen, wall, or other flat surfaces

a machine, particularly one connected to a computer, that prints text or pictures onto paper

a camera connected to a computer that is used for recording or broadcasting videos of the user

equipment that transforms electrical signals into sound, loud enough for public announcements, playing music, etc.