单项选择题

The display screen is the most common （） device used to show you what the computer is doing.

A．input
B．printing
C．output
D．electronic

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热门试题

单项选择题（） refers to the parts of the computer that you can see and touch.

A．Software
B．Hardware
C．Hardship
D．Instruction

单项选择题When Word is started it creates a new blank （）.

A．document
B．process
C．text
D．block