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• 【題組】(3) Does any system use the optimal page replacement method? Why or why not?
• 【題組】(4) Let average page-fault time and memory-access time be 70us and 250ns, respectively. What is
• 【題組】(5) What is reentrant code?
• 3.[Storage and I/0 Management:【題組】(1) When a file is opened, what are the four items of file informa
• 【題組】(2) Consider a disk queue with requests for I/O to blocks on cylinders 100, 185, 40, 120, 2, 138
• 【題組】(3) How does the parity bit work in RAID?
• 【題組】(4) Give three methods for CPU to know whether data are ready in an I/O device.
• 4.[Protection and Security:【題組】(1) What is the principle of least privilege? How does Sun Microsyste
• 【題組】(2) Why language-based protection may not be secure?
• 【題組】(3) How do polymorphic and tunneling viruses bypass the detection of antivirus software?
• 【題組】(5) How does DDoS work?
• 5.Basic Data Structures:【題組】(1) Consider a binary tree. Suppose that its DFS result is "c, b, e
• 【題組】(2) Given the postfix of an equation "2 4 + 6 x 98 - 3 5 + x -", please compute its re
• 【題組】(3) What is a binary search tree? Explain its property.
• 【題組】(4) Except that every node is either red or black, how can you make a binary search tree become
• 【題組】(5) Show that the worst-case complexity of quicksort is O(끄?).
• 6. [Advanced Data Structures:【題組】(1) Given an n-key B-tree with minimum degree t, what is the upper
• 【題組】(2) What is a B*-tree?
• 【題組】(3) Given a binomial tree Bt, show that there are exactly C(k, 1) nodes at depth i, where C(k, )
• 51. 哪一個部門建置「災害潛勢地圖」網站?分析模擬各區域發生災害的機率或規模，有助於大眾瞭解生活周遭可能面臨的災害，並做好準備及演練。(A)國家防災中心(B)國家災害防救科技中心(C)國家防震中心(
• 【題組】(b) -2/((x-1)(x-2).
• 2. Consider the counting of the number of onto functions H: A →B where IA I≥ IBI.【題組】(a) Find the ex
• 8.w ral a may DiEen a heftoueat There are two DRAM channels.Each channel has two ranks of DRAM chips
• 【題組】1.2 Increasing the page size tends to decrease the size of the page table.
• 【題組】.1.3 Virtual memory typically uses a write-back strategy, rather than a write-through