Timothy complains about a lot of pop-up Windows when he uses Internet Explorer. Which key combination should you tell him to use to close the pop-up Windows?

A. Ctrl+Alt+Del
B. Alt+F4
C. Ctrl+Shift+Esc
D. Windows key


B. Alt+F4 is the key combination a user should use to close pop-up windows, instead of clicking the window. Ctrl+Alt+Del either brings up the Task Manager or the security dialog box depending on the version of Windows and the way it is configured. Ctrl+Shift+Esc opens the Task Manager, and the Windows key opens the Start menu.

Computer Science & Information Technology

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Demand paging is disadvantageous because ________.

a) a process in a demand-paged system must accumulate pages one at a time b) as a process references each new page, it must wait while the system transfers that page to main memory c) system performance can suffer drastically if much of main memory is occupied by a process that cannot execute until new pages are fetched d) all of the above

Computer Science & Information Technology

For finer control over a table's appearance, you sometimes need to modify the table's class-based style directory through the ____________________ dialog box.

Fill in the blank(s) with the appropriate word(s).

Computer Science & Information Technology

Which sentence demonstrates correct punctuation of a direct quotation??

A. ?George Orwell wrote a mass of . . . words falls upon the facts like soft snow, blurring the outline covering up all the details. B. ?George Orwell wrote, "A mass of . . . words falls upon the facts like soft snow, blurring the outline covering up all the details." C. ?George Orwell wrote, "a mass of . . . words falls upon the facts like soft snow, blurring the outline covering up all the details.

Computer Science & Information Technology

Match the file with the order in which the BASH shell environment files are read:

A. Fourth B. First C. Third D. Second

Computer Science & Information Technology