正二轴测作图时，首先要确定轴测轴。
A. 对
B. 错
Basic computer processing cycle consists of __________________.
A. Input, Processing and Output
B. System and Application
C. Data, Information and Application
D. Hardware, Software and Firmware
Which controls all parts of the computer and known as the brain of computer?
A. RAM
B. ROM
CPU
D. Processor
The ALU of a computer responds to the commands coming from ____________________.
A. Primary memory
B. Control section
C. External memory
D. Cache memory
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