Suppose the functions F and G can be computed in 5 and 3 nanoseconds by functional units UFand UG, respectively. Given two instances of UF and two instances of UG, it is required to implement the computation F(G(Xi)) for 1 <= i <= 10. ignoring all other delays, the minimum time required to complete this computation is ________________ nanoseconds [Note that this is originally a Fill-in-the-Blanks Question]

Suppose the functions F and G can be computed in 5 and 3 nanoseconds b

1.	Suppose the functions F and G can be computed in 5 and 3 nanoseconds by functional units UFand UG, respectively. Given two instances of UF and two instances of UG, it is required to implement the computation F(G(Xi)) for 1 <= i <= 10. ignoring all other delays, the minimum time required to complete this computation is ________________ nanoseconds [Note that this is originally a Fill-in-the-Blanks Question]
A.	28
B.	20
C.	18
D.	30
Answer» B. 20

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