Provide a brief description on the history of USENET.
What will be an ideal response?
Before connections to the Web became fast, many people used a completely different Internet service for swapping information, ideas, and files. USENET enjoyed great popularity for some years, though it barely survives today. Clients used the Network News Transfer Protocol (NNTP) to access USENET over TCP port 119.
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What is the complexity of the following code?
int i, j, k = 0; for (i = n / 2; i <= n; i++) { for (j = 2; j <= n; j = j * 2) { k = k + n / 2; } } a. O(nlog(n)) b. O(n) c. O(n^2) d. O(2^n)
________ strategies determine which pieces of data to remove from main memory to free space for a new process.
a) Fetch b) Placement c) Replacement d) both a and c
What are the two symbols on a use case diagram and what do they represent?
What will be an ideal response?
Two of the cases of an unbalanced tree can be solved by performing three rotations.
Answer the following statement true (T) or false (F)