When you change the height of a photo, PowerPoint automatically changes the width to maintain the photo's proportions between height and width.

Answer the following statement true (T) or false (F)


True

Computer Science & Information Technology

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____________________ is a popular format for static graphics and animations.

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

Computer Science & Information Technology

Let there be an unclustered hash index on ProfId and assume that, as before, 5 Professor tuples ?t in one page, 10 Teaching tuples ?t in one page, and the cardinality of Teaching is 10,000. Estimate the cost of computing the above join using index-nested loops and block-nested loops with a 51-page bu?er.

Consider the join Professor  Id=ProfId Teaching used in the running example of Section 11.3. Let us change the statistics slightly and assume that the number of distinct values for Teaching.ProfId is 10,000 (which translates into lower weight for this attribute).

Computer Science & Information Technology

The last element is removed from the end of an array using the array_pop() function.

Answer the following statement true (T) or false (F)

Computer Science & Information Technology

Which file extension indicates a video file?

a. .bmp b. .mp3 c. .wmv d. .pdf

Computer Science & Information Technology