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Question
To prevent modification of a built-in array's values when you pass the built-in array to a function:a. The built-in array must be declared static in the function.
b. The built-in array parameter can be preceded by the const qualifier.
c. A copy of the built-in array must be made inside the function.
d. The built-in array must be passed by reference.
Answer
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Related questions
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A string array is commonly used for:
a. Command-line arguments.
b. Storing an extremely long string.
c. Storing multiple copies of the same string.
d. Displaying floating-point numbers to the screen.
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sizeof:
a. Is a binary operator.
b. Returns the total number of elements in an array.
c. Usually returns a double.
d. Returns the total number of bytes in a variable.
Q:
Which of the following best describes the array name n in the declaration int n[10];?
a. n is a nonconstant pointer to nonconstant data.
b. n is a nonconstant pointer to constant data.
c. n is a constant pointer to nonconstant data.
d. n is a constant pointer to constant data.
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A function that modifies an array by using pointer arithmetic such as ++ptr to process every value of the array should have a parameter that is:
a. A nonconstant pointer to nonconstant data.
b. A nonconstant pointer to constant data.
c. A constant pointer to nonconstant data.
d. A constant pointer to constant data.
Q:
When a compiler encounters a function parameter for a single-subscripted array of the form int a[], it converts the parameter to:
a. int a
b. int &a
c. int *a
d. No conversion is necessary.
Q:
Pointers may be assigned which of the following values?
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c. nullptr.
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Q:
You can sort an array with the Standard Library's:
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Q:
In order to calculate the __________ of an array of values, the array values must first be summed.
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c. Maximum.
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Q:
Which of the following tasks cannot be performed using a range-based for loop?
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b. Displaying all even element values in an array.
c. Incrementing the value stored in each element of the array.
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Q:
For which of the following operators does C++ not specify the order of evaluation of its operands?
a. +.
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c. ,.
d. ?:.
Q:
Assuming the following pseudocode for the Fibonacci series, what is the value of the 5th Fibonacci number (fibonacci (5))?fibonacci(0) = 0fibonacci(1) = 1fibonacci(n) = fibonacci(n - 1) + fibonacci(n - 2)a. 1.b. 3.c. 5.d. 7.
Q:
Which of the following is false?
a. An engine implements a random-number generation algorithm that produce pseudorandom numbers.
b. A distribution controls the range of values produced by an engine, the types of those and the statistical properties of the values.
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d. C++11 provides many classes that represent various random-number generation engines and distributions.
Q:
Which of the following statements is false?a. An enumeration's constants have integer values.b. An unscoped enum's underlying type is independent of its constants' values but is guaranteed to be large enough to store those values.c. A scoped enum's underlying integral type is int, but you can specify a different type by following the type name with a colon (:) and the integral type. For example, we can specify that the constants in the enum class Status should have type unsigned int, as in enum class Status : unsigned int {CONTINUE, WON, LOST};d. A compilation error occurs if an enum constant's value is outside the range that can be represented by the enum's underlying type.
Q:
Enumeration constants:
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Q:
The argument list of a function call must match, or be consistent with, the parameter list of the called function in all of the following details, except:
a. The number of arguments/parameters in the list.
b. The types of arguments/parameters in the list.
c. The names of arguments/parameters in the list.
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Q:
Which of the following is not included in <cmath>?
a. pow.
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Q:
All of the following are true of functions except:
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Q:
Which of the following is false?
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b. break and continue statements can make a program perform faster than with the corresponding structured techniques.
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Q:
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Q:
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Q:
Consider the execution of the following for loop
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cout << x + 1 << endl;
}
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c. ++x
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Q:
If a variable is declared in the initialization expression of a for statement, then:
a. It is automatically reinitialized to zero once the loop is finished.
b. The scope of the variable is restricted to that for loop.
c. It retains its final value after the loop is finished.
d. It can not be used in any structures that are nested in that for structure.
Q:
Consider the following code, assuming that x is an int with an initial value of 12
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cout << x;
}
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b. 12
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Q:
Variables are also known as:
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Q:
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d. if (!(num " 65))
Q:
Assuming that x and y are equal to 3 and 2, respectively, after the statement x -= y executes, the values of x and y will be:a. x: 5; y: 3b. x: 3; y: -1c. x: 3; y: 5d. x: 1; y: 2
Q:
What is the final value of x after performing the following operations?
int x{21};
double y{6};
double z{14};
y = x / z;
x = 5.5 * y;
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c. 5.
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Q:
How many times will the following loop print hello?
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c. 10.
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Q:
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b. 1.
c. 2.
d. Variable number.
Q:
Which of the following statements is false?
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c. C++ requires a constructor call for every object that's created.
d. A constructor cannot specify parameters.