A printer 打印机
You can use a printer to turn a computer file into a paper document.
The printer is out of paper.
He is putting paper in the printer.
【对话】-Excuse me, I can't get the printer to work. Is there another printer I can use? -Yeah, there's one down the hall.
A charger 充电器
You can plug a charger into a loptop to restore its battery power.
He is plugging a charger into his phone.
I left my charger at home.
-Can I use your phone charger? My phone battery is running low.
-No problem. Here you go.
A monitor 显示屏
You can connect a monitor to your computer to display images.
He is changing monitor brightness.
This is a nineteen-inch monitor.
-Hi, did you call about a problem with your monitor?
-Yeah. There's no display on my computer monitor.
A laptop 笔记本电脑
You can use a laptop to work from different places.
He turned on his laptop.
They company gives a laptop to every new employee.
She forgot to shut down her laptop.
My laptop is so slow.
I want to shrow it out the window.
Well, you can alwasy buy a new one.
A projector 投影仪
You can use a projector to show a computer screen on a larger screen.
He is connecting his laptop with a projector.
Could you find me a projector?
-Is there a projector in your room? I'd like to show you some charts.
-Yes, there is..