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Question41
Баллов: 1
When used, the _________ stream manipulator causes positive numbers to display with a plus sign.
Выберите один ответ.
a. showpos | ||
b. where_is | ||
c. show | ||
d. place |
Question42
Баллов: 1
If assumptions in the code below are true what value would be the final value printed by this program?
int main(int argc, char** argv)
{
std::cout << sizeof(int) << std::endl;
int *x = new int;
std::cout << x << std::endl;
std::cout << x + 3 << std::endl;
return 0;
}
Выберите один ответ.
a. 0x6000000C | ||
b. undefined | ||
c. 0x60000003 | ||
d. 0x60000000 | ||
e. implementation defined |
Question43
Баллов: 1
An array that uses two subscripts is referred to as a (n) _________ array
Выберите один ответ.
a. double array | ||
b. no ideas | ||
c. two-dimensional | ||
d. multi-dimensional |
Question44
Баллов: 1
Give the function header for the following function. Function intToDouble that takes an integer argument, number, and returns a double-precision, floating-point result.
Выберите один ответ.
a. double intToDouble(int number) | ||
b. not sure | ||
c. float intToDouble(int number) | ||
d. int intToDouble(number) | ||
e. double intToDouble(double number) |
Question45
Баллов: 1
An individual array element that is passed to a function and modified in that function will contain the modified value when the called function completes execution
|
|
Ответ:
True False
Question46
Баллов: 1
Which properly declares a variable of struct foo?
Выберите один ответ.
a. foo; | ||
b. var foo; | ||
c. foo var; | ||
d. struct foo; | ||
e. int foo; |
Question47
Баллов: 1
What output will be produced by the following code?
int extra = 2;
if (extra < 0)
cout << "small";
else if (extra == 0)
cout << "medium";
else
cout << "large";
Выберите один ответ.
a. None of the given choices. | ||
b. small | ||
c. medium | ||
d. Error | ||
e. large |
Question48
Баллов: 1
State the values of the variable after the calculation is performed. Assume that, when a statement begins executing, all variables have the integer value 5: product *= x++;
Result:
product =
x =
Question49
Баллов: 1
Write a C++ statement or a set of C++ statements to print the value 333.546372 in a field width of 15 characters with precisions of 1, 2 and 3. Print each number on the same line. Left-justify each number in its field.
Выберите один ответ.
a. cin << fixed << left << setprecision(1) << setw(15) << 333.546372 << setprecision(2) << setw(15) << 333.546372 << setprecision(3) << setw(15) << 333.546372 << endl; | ||
b. cout << fixed << left << setprecision(1) << setw(15) << 333.546372 << setprecision(2) << setw(15) << 333.546372 << setprecision(3) << setw(15) << 333.546372 << endl; | ||
c. cout << fixed << left << setprecision(1) << 333.546372; << setprecision(2) << 333.546372; << setprecision(3) << 333.546372; << endl; | ||
d. cout << fixed << left << setw(15) << 333.546372 << setw(15) << 333.546372 << setw(15) << 333.546372 << endl; |
Question50
Баллов: 1
Declare the variables c, thisIsAVariable, q76354 and number to be of type int.
Выберите по крайней мере один ответ:
a. int c, thisIsAVariable, q76354, number | ||
b. int c, thisIsAVariable, q76354, number; | ||
c. int c; int thisIsAVariable; int q76354 int number; | ||
d. double c, thisIsAVariable, q76354, number; |
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