C++ Programming Language Hardest Exam! Trivia Quiz
Below is what is considered the hardest trivia quiz on C++ programming language. It is designed for those of us who are studying towards passing the certification exam. Gaming developers mostly prefer the C++ language since it is fast. Are you feeling up to tackling this exam? Do give it a try and get to find out if you need more practice.
- 1.What is the output of the following function and function call? void calculateCost(int count, float& subTotal, float taxCost); float tax = 0.0, subtotal = 0.0; calculateCost(15, subtotal,tax); cout << "The cost for 15 items is " << subtotal << ", and the tax for " << subtotal << " is " << tax << endl; //end of fragment void calculateCost(int count, float& subTotal, float taxCost) { if ( count < 10) { subTotal = count * 0.50; } else { subTotal = count * 0.20; } taxCost = 0.1 * subTotal; }
- A.
The cost for 15 items is 3.00, and the tax for 3.00 is 0.30;
- B.
The cost for 15 items is 0.00, and the tax for 3.00 is 0.00;
- C.
The cost for 15 items is 0.00, and the tax for 3.00 is 0.30;
- D.
The cost for 15 items is 3.00, and the tax for 3.00 is 0.00;
- 2.Which of the following is not an example of a program bug?
- A.
Run-time error
- B.
Operator error
- C.
Syntax error
- D.
Logic error
- 3.The set of instructions that a computer will follow is known as:
- A.
Hardware
- B.
Algorithm
- C.
Program
- D.
CPU
- 4.Which of the following is not a valid identifier?
- A.
Return
- B.
MyInt
- C.
MyInteger
- D.
Total3
- 5.What is the value of x after the following statements? int x, y, z; y = 10; z = 3; x = y * z + 3;
- A.
Garbage
- B.
60
- C.
30
- D.
33
- 6.What is the value of x after the following statements? int x; x = x + 30;
- A.
0
- B.
30
- C.
33
- D.
Garbage
- 7.What is the output of the following code? float value; value = 33.5; cout << value << endl;
- A.
33.5
- B.
33
- C.
Value
- D.
Garbage
- 8.Which of the following statements is NOT legal?
- A.
Char ch='b';
- B.
Char ch='0';
- C.
Char ch=65;
- D.
Char ch="cc";
- 9.An algorithm is
- A.
The inputs and outputs of a program
- B.
The part of the computer that does the processing
- C.
A finite set of steps to solve a problem
- D.
A complete computer program
- 10.Which of the following is not a phase of the program-design process?
- A.
Problem-solving
- B.
Implementation
- C.
Marketing the final program
- 11.Which of the following is not part of the Software Life Cycle?
- A.
Analysis
- B.
Design
- C.
Data Entry
- D.
Implementation
- E.
Testing
- 12.What is the value of x after the following statements? int x; x = 15 %4;
- A.
15
- B.
4
- C.
3
- D.
3.75
- 13.What is the value of x after the following statement? float x; x = 3.0 / 4.0 + 3 + 2 / 5
- A.
5.75
- B.
4.75
- C.
1.75
- D.
3.75
- 14.
- Which boolean operation is described by the following table?
- A.
Or
- B.
And
- C.
Not
- D.
None of the above
- 15.Which of the following data types may be used in a switch statement?
- A.
Int
- B.
Char
- C.
Enum
- D.
Long
- E.
All answers are correct
- 16.What is wrong with the following for loop? for(int i=0; i<10; i--) { cout << "Hello\n"; }
- A.
Can not use a for-loop for this
- B.
I is not initialized
- C.
Infinite loop
- D.
Off-by-one error
- 17.What is the value of x after the following code fragment executes? float x = 36.0; x = sqrt(x);
- A.
36.0
- B.
6.0
- C.
3.0
- D.
2.456
- 18.What is the output of the following program fragment? cout << pow(4,2) << endl;
- A.
4
- B.
2
- C.
8
- D.
16
- 19.Which boolean operation is described by the following table? A B Operation True True True True False False False True False False False False
- A.
Or
- B.
And
- C.
Not
- D.
None of the above
- 20.When overloading a function, what must be true?
- A.
The names should be different with the same number and/or types of parameters.
- B.
The names should be the same with different number and/or types of parameters.
- C.
The names should be different with different number and/or types of parameters.
- D.
The names should be the same with the same number and/or types of parameters.
- 21.When parameters are passed between the calling code and the called function, parameters and arguments are matched by:
- A.
Their data types
- B.
Their relative positions in the parameter and argument lists
- C.
Their names
- D.
They are not matched up at all.
- 22.The expression static_cast(3) is called a
- A.
Type cast
- B.
Multiplier
- C.
Doubler
- D.
Polymorphism
- 23.What is the value of the following? sqrt(pow(2,4));
- A.
1
- B.
2
- C.
4
- D.
16
- 24.Information Hiding is analogous to using
- A.
An algorithmic design
- B.
A black-box methodology
- C.
Actual parameters
- 25.What is the output of the following function call? //function body int factorial(int n) { int product=0; while(n > 0) { product = product * n; n—; } return product; } //function call cout << factorial(4);
- A.
4
- B.
0
- C.
24
- D.
48
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