Explain how rows in a table can be grouped.
What will be an ideal response?
Sometimes a table of data is quite long. Although a user can scroll down, what if the user needs to print the table? The table may print on multiple pages, with the table header row on the first page only and the footer row only on the last page. To address this situation, HTML includes elements that make it possible to specify rows that should repeat at the top and bottom of printed pages.
Table rows can be grouped into a table header, a table footer, or one or more table body sections. The elements used to group table row content are thead, tfoot, and tbody. The thead and tfoot elements are useful when you expect users will want to print tables that are longer than one page; using these elements, the table header and footer information can be printed on each page that contains table data, similar to a header row in Microsoft Word or Excel. However, if you use all three of these elements in your table code, you must disrupt the source order in the table code, which is why these elements are not often used. If you do use these elements, you must list the thead element followed by the tfoot element, and then list the code for the tbody element.
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A string array:
a. Stores an actual string in each of its elements. b. Can only provide access to strings of a certain length. c. Is actually an array of pointers. d. Is always less memory efficient than an equivalent double-subscripted array.
Under Windows, your C drive will contain __________.
a. Documents and Settings b. Program Files c. Windows d. all of the above
In order to save time in data entry, it is almost always preferable to export the data as well as the structure when exporting to another database.
Answer the following statement true (T) or false (F)
A(n) ____________________ responds to user actions.
A. event B. occurrence C. interactive animation D. initial movement