Midterm1-Fall 2019.pdf - Quiz Submissions Midterm1-Fall 2019 Results Attempt 1 47 Score for this quiz 47 out of 50 Back to Quiz Submitted Sep 26 at

Midterm1-Fall 2019.pdf - Quiz Submissions Midterm1-Fall...

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Midterm1-Fall 2019 Results Score for this quiz: 47 out of 50 Submitted Sep 26 at 9:52am This attempt took 98 minutes. 10 / 10 pts Question 1 Your Answer: Consider three different processors P1, P2, and P3 executing the same instruction set. P1 has a 3 GHz clock rate and a CPI of 1.5. P2 has a 2.5 GHz clock rate and a CPI of 1.0. P3 has a 4.0 GHz clock rate and has a CPI of 2.2. a. Which processor has the highest performance expressed in instructions per second? b. If the processors each execute a program in 10 seconds, ± nd the number of cycles and the number of instructions. A. Highest Performance P1=> 3GHz / 1.5 = 2 * 10^9 ips P2 => 2.5GHz / 1.0 = 2.5 * 10^9 ips P3=> 4GHz / 2.2 = 1.82 * 10^9 ips p2 has the highest ips B. Cycles P1=> 3GHz * 10 = 3 * 10^10 c P2=> 2.5GHz * 10 = 2.5 * 10^10 c P3=> 4GHz * 10 = 4 * 10^10 c 1 / 1 pts Question 2 An abstract interface between hardware and the lowest-level software is called: north-bridge memory interface instruction set architecture Correct! Correct! API (application programming interface) ABI (application binary interface) 1 / 1 pts Question 3 Response time is: Total work done per unit time How long it takes to do a task Correct!
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