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40% of the running time of a program can be speeded up by a factor of 4, while the rest cannot be improved. According to Amdahl's law, the…

1777Medium DSSSB TGT Computer Science 0 replies 1 views

40% of the running time of a program can be speeded up by a factor of 4, while the rest cannot be improved. According to Amdahl's law, the overall speedup is closest to

A2.50
B1.60
C1.43
D4.00

Correct answer: C

Explanation

Speedup = 1 / (0.6 + 0.4/4) = 1 / 0.7 ≈ 1.43.

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