Used to verify communication with the PAC, the ____________________ screen displays an X through the controller if communications were established at one point but have currently been lost.

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

RSWho

Computer Science & Information Technology

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Function os.wait raises a(n)________exception if there are no children.

a) OSError. b) AttributeError. c) WaitError. d) None of the above

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What will the following code display?

``` #include using namespace std; void showDub(int); int main() { int x = 2; showDub(x); cout << x << endl; return 0; } void showDub(int num) { cout << (num * 2) << endl; } ``` a. 2 2 b. 4 2 c. 2 4 d. 4 4

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In computer networks and enterprise data centers, door access should be controlled through the use of proximity readers or which of the following? (select the best answer)"

What will be an ideal response?

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What is the output of the following program.?

``` #include using namespace std; struct ShoeType { char style; double price; }; int main() { ShoeType shoe1, shoe2; shoe1.style = 'P'; shoe1.price = 98.98; cout << shoe1.style << " $" << shoe1.price << endl; shoe2 = shoe1; //Put shoe2 on sale! shoe2.price = shoe1.price/2; cout << shoe2.style << " $" << shoe2.price << endl; } ```

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