1) to listen to music,we need a) a mouse b) speakrs c) a monitor d) a printer 2) these are used to enter data and give instructions to the computer  a) output devices b) processing device c) input devices 3) you can move things easily with the.... a) screen b) mouse c) microphone d) speakers 4) it's used to input sounds a) scanner b) keyboard c) microphone d) printer 5) the ......allows us to output the text and images on paper a) printer b) scanner c) speaker d) screen 6) the output of 20+30 will be a) 50 b) 20 c) 30

ICT

打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？