Projects vied to get computer time, and the earliest information technology (IT) managers worked to keep systems busy 24 hours per day, seven days per week.

不同的项目之间必须竞争才能获得机时，而最早的信息技术 (IT)管理人员的任务是保持系统每天24小时、每个星期7天不间断地进行工作。

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Projects vied to get computer time, and the earliest information technology (IT) managers worked to keep systems busy 24 hours per day, seven days per week.

不同的项目之间必须竞争才能获得机时，而最早的信息技术 (IT)管理人员的任务是保持系统每天24小时、每个星期7天不间断地进行工作。

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