问题
单项选择题
The main function of a processor is to (68) and carry out instructions which usually consist of operation and (69) . The term to measure the speed of the processor is called a Megahertz (MHz), which means million (70) per second.
A．bits
B．bytes
C．cycles
D．words
答案
参考答案：C
解析： 译文：衡量处理器速度的单位是兆赫兹(MHz)，即每秒一百万个周期。