Computer Hardware test 唔識啊~

7.To input voices into the computer, we need a ________.
8.Monitor is also called _______ (VDU).
9.We usually use _______ mouse instead of common mouse when the space on the desk is not enough.
10.A _______ is made up of metal and plastic and it can store about 650MB of data but it can only be read.
11.A 3 minutes MP3 song normally needs ______ MByte.
12.A common input device for net meeting to see your friend is called a ________ .