43. Which part of t he following line is ignored by the compiler? double userNam

Question

43. Which part of t he following line is ignored by the compiler? double userName"janedoe" I user's name is janedoe a. "janedoe" b. user's name is c. user's name is janedoe e. None of these 44. A multi-line comment a. begins with/ and ends with b. can be used to mark as many lines as desired as comments c. allows everything in the selected lines to be ignored d. All of these are true 45. Which of the following statements correctly defines a named constant named TAX the value 0.075? a. double TAX RATE 0.075; b. const TAX RATE double TAX RATE 0.075 c. const double TAX RATE = 0.075; d. double TAX RATE e, const TAX RATE = 0.075; Given the following program, which line(s) cause(s) output to be displayed on the screen? const TAX RATE0.075; 46. // This program displays my gross wages. /1 I worked 40 hours and I make $20.00 per hour. #include using namespace std; 5 6 int main int hours; double payRate, grossPay 10 12 13 14 15 16 hours 40 payRate 20.0; grossPay hours payRate; cout

Explanation / Answer

Please find the answers below:

43.

Which part of the following line is ignored by the compiler ?

Answer:
e None of these

// tells the compiler to ignore everything to end of line.
So,
// user's name is janedoe

will be ignored by the compiler. Note that there is a whitespace after // . Whitespace is also ignored by the compiler.

44.

Answer:
d. All of these are true

45.
Answer:
c.

const double TAX_RATE = 0.075;

option c correctly defines a named constant named TAX_RATE

46.

Answer :
c. line 14

line 14 causes the output to be displayed on the screen.
cout is used to display the output to the standard output device i.e. monitor.

Hope this helps. Let me know if you need more information on this.

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