Let x be an unsigned int on a machine with 4-byte unsigned ints. What effect does x>>=1; x<<=1; have?
a. There is no effect.
b. The leftmost bit of x is set to 0.
c. The rightmost bit of x is set to 0.
d. Both (b) and (c).
c. The rightmost bit of x is set to 0.
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Suppose, the Professor entity did not participate in the relationship WorksIn, but the arrow between them was still present. Would it make sense to merge Professor with WorksIn during translation into the relational model? What kind of problems can arise here? Are they serious problems?
What will be an ideal response?
The use of ____ to indicate required fields encourages users to complete the corresponding fields initially, rather than submitting the form and then receiving an error message.
A. bullets B. dashes C. dots D. asterisks
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Indicate whether the statement is true or false
Compared to a standard Word document in portrait orientation, which of the following is true about the comparative size of a webpage?
A) The webpage is shorter. B) They are the same size. C) The webpage is narrower. D) The webpage is wider.