What would line.pop() do to the queue?
A. Remove Mary
B. Remove Barbara
C. Add a blank member to the end of the queue
D. Return false
A. Remove Mary
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Answer the following statements true (T) or false (F)
1. A hard disk is generally faster than a diskette and has greater storage capacity. 2. The data on a disk are recorded on a series of concentric circles called tracks, and it is the contents of a track that move between the disk’s surface and memory. 3. Diskettes are typically used to store backup copies of files and to transfer data and software from one computer to another. 4. Files are physically stored in a disk’s directory. 5. A modem allows a computer to communicate over a dedicated, special-purpose telephone line.
Which of the following would produce negative feedback?
a) a processor in a system whose poor performance is due to thrashing b) an overloaded Web server c) a disk in a RAID array whose queue of pending accesses is short d) an idle print server
Ending a line with the ____ element creates the same effect as when you press the Enter key when composing a document with a word-processing application.
A. return B. enter C. break D. line-end
The Impact area is the active clickable area of the button that corresponds to the button object in either the Over or the Down state.
Answer the following statement true (T) or false (F)