The ____ method returns the Boolean value True if the file exists; otherwise, it returns the Boolean value False.
A. IsThere
B. CanFind
C. DoesExist
D. Exists
Answer: D
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Explain what is meant by the constrained write rule, and explain how to test whether a schedule is serializable under the constrained write rule. Using the above method, determine whether the following schedule is serializable:
S = [R 1 (Z), R 2 (Y), W 2 (Y), R 3 (Y), R 1 (X), W 1 (X), W 1 (Z), W 3 (Y), R 2 (X), R 1 (Y), W 1 (Y), W 2 (X), R 3 (W), W 3 (W)] where R i (Z)/W i (Z) indicates a read/write by transaction i on data item Z.
In Microsoft Office applications, the ________ displays the program icon, the name of the file, and the name of the program
A) title bar B) status bar C) Ribbon D) taskbar
A(n) ________ symbol is used to search for unspecified characters
Fill in the blank(s) with correct word
Which of the following pointer notations accesses the second element in the third row of a two dimensional array?
A. *(*(ary + 3) + 2) B. *(*(ary + 2) + 1) C. *(*(ary + 2) + 3) D. *(*(ary + 1) + 2) E. **ary[2][3]