Computer software refers to the programs or instructions used to tell the computer hardware what to do.
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Operating systems are not unique to their manufactures.
A. 对
B. 错
When you purchase a new computer, an operating software suitable to the hardware must be bought.
A. 对
B. 错
The series of jobs awaiting execution is called a queue.
A. 对
B. 错
A program can use a device if that hardware is unavailable.
A. 对
B. 错
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