2020-02-26到2020-07-27
Unit 1 Overview of IT Industry 单元1测试
1、 The heart of any computer system is the( ).
答案: CPU
2、 ( )refers to the parts of the computer that you can see and touch.
答案: Hardware
3、 The most important program on any computer is( )
答案: os
4、 All virus scanners softwares can scan most known ( )
答案: Viruses
5、 The motherboard holds （ ）and the processor expa