[商管] [計概]中興計概
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97中興
Which of the following programs contain software code designed to
retireve passwards from an encrypted password file?
A)Worm
B)Virous
C)Rootkit
D)Crack
E)Trojan horse
答案書本給D 但是為什麼不是E 木馬?
99中興
For each nonnegative integer n, let Rn be the greatest possible number of
regions into which the plane can be partitioned by n straight lines. For
example, R0 =1 and R1 =2. Then Rn has order
(A)θ(n)
(B)θ(nlog n)
(C)θ(n^2)
(D)θ(2^n)
(E)θ(n!)
這題就需要幫忙解惑了
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