Organic Conducting Polymers and Origin of spectrum MCQs

1. What does Amdahl’s Law primarily address?

(A) The potential speedup of a program by parallelizing a portion of its execution

(B) The impact of memory size on system performance

(C) The relationship between clock speed and processor performance

(D) The effect of disk speed on overall system performance

2. According to Amdahl’s Law, what is the primary factor limiting the overall speedup of a program?

(A) The number of CPU cores

(B) The total memory available

(C) The fraction of the program that cannot be parallelized

(D) The network bandwidth

3. In Amdahl’s Law, what does the term “P” represent?

(A) The total memory capacity

(B) The total execution time

(C) The portion of the program that can be parallelized

(D) The number of processors

4. What does “1 – P” represent in Amdahl’s Law?

(A) The amount of memory used

(B) The total number of processors

(C) The speedup factor

(D) The portion of the program that cannot be parallelized

5. How does increasing the number of processors affect the speedup according to Amdahl’s Law?

(A) The speedup is unaffected by the number of processors

(B) The speedup increases linearly with the number of processors

(C) The speedup increases but is limited by the non-parallelizable portion of the program

(D) The speedup decreases with more processors

6. In Amdahl’s Law, what is the impact of a program’s non-parallelizable portion on its overall performance improvement?

(A) It enhances performance proportionally

(B) It has no impact on performance

(C) It limits the maximum achievable speedup

(D) It increases memory usage

7. If a program has a parallelizable portion of 80% and is run on 4 processors, what is the theoretical maximum speedup according to Amdahl’s Law?

(A) 5

(B) 4

(C) 2.5

(D) 8

8. According to Amdahl’s Law, what happens to the speedup if the fraction of the program that can be parallelized approaches 100%?

(A) The speedup approaches the number of processors

(B) The speedup becomes negligible

(C) The speedup becomes zero

(D) The speedup remains constant

9. How does a higher non-parallelizable fraction affect the maximum achievable speedup?

(A) It decreases the maximum achievable speedup

(B) It increases the maximum achievable speedup

(C) It has no effect on the maximum achievable speedup

(D) It changes the memory requirements

10. If a program’s non-parallelizable portion is 50% and it is run on 8 processors, what is the speedup according to Amdahl’s Law?

(A) 5.33

(B) 8

(C) 4

(D) 2.67