名词
中文翻译：程序计数器
同义词：
['program counter', 'program counter register', 'program counter register']
例句：
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1.The computer's program counter is at position 1024.
计算机的程序计数器位于位置1024。
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2.The program counter was reset to zero after the program was loaded.
程序加载后，程序计数器被重置为零。
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3.The program counter is used to keep track of the number of instructions executed by a computer program.
程序计数器用于跟踪计算机程序执行的指令数量。