The ____ is the brain of the computer and the single most expensive piece of hardware in your personal computer.
A. MM
B. ROM
C. RAM
D. CPU
Answer: D
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A linked list has the functions insertAtFront, removeFromFront, insertAtBack and removeFromBack, which perform operations on nodes exactly as their names describe. Which two functions would most naturally model the enqueue and dequeue operations, respectively, of a queue?
a. insertAtBack and removeFromBack. b. insertAtBack and removeFromFront. c. removeFromFront and insertAtFront. d. removeFromFront and insertAtBack.
In what programming language are macro instructions written?
A) FTP B) HTML C) VBA D) SQL
Alice has a picture-based password system, where she has each user pick a set of their 20 favorite pictures, say, of cats, dogs, cars, etc. To login, a user is shown a series of pictures in pairs—one on the left and one on the right. In each pair, the user has to pick the one that is in his set of favorites. If the user picks the correct 20 out of the 40 he is shown (as 20 pairs), then the
system logs him in. Analyze the security of this system, including the size of the search space. Is it more secure than a standard password system? What will be an ideal response?
In ncurses YaST, you selected highlighted menu items by pressing the ____.
A. Tab key B. Shift key C. Arrow keys D. Spacebar