TroubleshootingEngineer 1: Hey, Amy. Were you able to complete that systems test?Engineer 2: I was actually just making a report on the results.Engineer 1: Great. So what were you looking at?Engineer 2: A few people complained that their （1） were slow. So I used several metrics to test both the speed and capacity of the （2）.Engineer 1: What metrics did you use?Engineer 2: I started with the central （3） unit. I tested it for execution time and throughput.Engineer 1: Good thinking. What did you find?Engineer 2: Well, there's good news and bad news.Engineer 1: What's the good news?Engineer 2: The throughput is still fairly high. The computer still processes large amounts of （4） in a short amount of time.Engineer 1: Well, that is good. We need the computers to process instructions quickly.Engineer 2: However, there were some disappointing areas of （5）.Engineer 1: I thought there might be.Engineer 2: Yes. I found that the system CPU time slowed down significantly.Engineer 1: The background system must not be functioning properly.Engineer 2: That's what it looks like. I'm recommending further diagnostic tests.