Excel's Formula Bar displays the underlying value of the active cell
Indicate whether the statement is true or false
TRUE
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A ________ maintains a database of hostnames and their corresponding IP addresses.
a. file. b. database. c. DNS server. d. None of the above.
Answer the following statements true (T) or false (F)
1. Windows XP is a sequential multitasking operating system. 2. Windows XP recognizes 4 different priority levels numbered 0 through 3. 3. Windows XP uses a virtual memory manager (VMM) to allocate and manage system memory. 4. A valid page resides in physical memory. An invalid page does not reside in physical memory because it has either been swapped out to disk or has not yet been loaded into memory. 5. When a Windows XP process or thread references the contents of a virtual address on an invalid page, a page fault occurs.
Why is the traversal of a graph different from a tree?
a. There can be a loop in a graph so we must maintain a visited flag for every vertex b. DFS of a graph uses stack, but in-order traversal of a tree is recursive c. BFS of a graph uses queue, but a time efficient BFS of a tree is recursive d. All of the above
Case 2-1Kacie is building a Web site to show off the pictures from her vacation to Hawaii. She is deciding on a background color.At first, Kacie feels that blue would be the best background color for her Web site and enters "aliceblue." In this case, aliceblue is a ____.
A. text value B. text attribute C. hexadecimal value D. hexadecimal attribute