1. What function initalizes variables in a class: |
Constructor
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Destructor
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Constitutor
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A and B are correct.
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2. To include code from the library in the program, such as iostream, a directive would be called up using this command. |
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#include <>; with iostream.h inside the brackets
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include (iostreamh)
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#include <> with iostream.h inside the brackets
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include #iostream,h;
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3. Single line comments explaining code would be preceded like in the following example |
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/**
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//
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*//
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/*
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4. Which line has all reserved words ? |
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char, int, float, doubled, short, long, unsigned, signed
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sizeof, const, typedef, static, voided, enum, struct, union
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if, else, for, while do, switch, continue, break
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defaulted, goto, return, extern, private, public, protected
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5. What punctuation must each command line have at the end of the line ? |
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:
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,
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!
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;
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6. The C++ language is |
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case-sensitive.
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Not case-sensitive.
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It depends
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None of these
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7. The number 5.9875e17 must be stored in a(n): |
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int
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long
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double
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float
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8. Select the correct definition for a string variable. |
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string mystr;
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string mystr[20];
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string[20] mystr;
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char mystr[20];
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9. The sentence "Hello world!" uses _____ elements in a character array. |
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10
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11
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12
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13
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10. When you are creating a structure, you need to use the following keyword |
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structure
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struct
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object
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record
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11. Select the correct function definition (NOT prototype) from the list below. |
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void intro();
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double sin(double rad);
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int foo(int bar; double baz)
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double pow(double num, int pow);
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12. Cout can print multiple values or variables in a single command using the following syntax: |
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cout << "Hi" + bob + "\n";
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cout << "Hi" << bob << "\n";
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cout << "Hi", bob, "\n";
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cout << ("Hi" & bob & "\n");
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13. Write a for loop that counts from 0 to 5. |
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for (c = 0; c <= 5; c++)
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for (int c = 0; c <= 6; c++)
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for (c = 0; c < 5; c++)
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for (c = 0; c < 5; c++);
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14. What does the statement #include do ? |
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It defines the function iostream.h
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It tells the compiler where the program begins
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It defines the words TRUE and FALSE
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It allows the programmer to use cout << It defines the statement return
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15. Which of the following converts an integer "value" to its ASCII equivalent ? |
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atoi(value)
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cout << value
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(char) value
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char (value)
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16. Indicate which data type is not part of standard C++. |
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bool
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int
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real
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double
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17. Which one of the choices would produce the following output ? |
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cout << "Hello" << "World";
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cout << "Hello \n World";
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cout << "Hello World\n";
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cin >> "Hello World";
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18. What is the output of the following code?
for (int i=0; i<10; i++); cout << i%2 << " "; } |
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0 1 2 3 4 5 6 7 8 9
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0 2 4 6 8 10 12 14 16 18
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1 0 1 0 1 0 1 0 1 0
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0 1 0 1 0 1 0 1 0 1
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19. What is the output of the following code?
for (int a = 1; a <= 1; a++) cout << a++; cout << a; |
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22
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12
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error
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23
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20. For which values of the integer _value will the following code become an infinite loop?
int number=1;
while (true) {
cout << number;
if (number == 3) break;
number += _value; }
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only 0
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only 1
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only 2
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only 1 or 2
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