题目内容

【2017年6月软考真题】（）are used for backing up large amount of data.

A. Keyboard
B. Hard disks
CPU
Display

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【2017年6月软考真题】Computers with the same（） can typically use the same software and peripheral devices.

A. CPU
B. operating system
C. mainboard
D. display

【2017年6月软考真题】You can（） a file when you no longer need it.

A. rename
B. move
C. copy
D. delete

【2017年6月软考真题】When you create an account,you are typically asked to enter a username and（）.

A. key
B. keyword
C. password
D. user ID

【2017年6月软考真题】With（） you can communicate in real time with people all around the world.

A. web page
B. web chat
C. web site
D. E-Mail