8/8/2019 Quiz for C

1/5

Quiz for C++ Tutorial

1. What function initalizes variables in a class:

Constructor

Destructor

Constitutor

A and B are correct.

2. To include code from the library in the program, such as iostream, a directive would

be called up using this command.

#include ; with iostream.h inside the brackets

include (iostreamh)

#include with iostream.h inside the brackets

include #iostream,h;

3. Single line comments explaining code would be preceded like in the following

example

/**

//

*//

/*

4. Which line has all reserved words ?

char, int, float, doubled, short, long, unsigned, signed

sizeof, const, typedef, static, voided, enum, struct, union

if, else, for, while do, switch, continue, break

defaulted, goto, return, extern, private, public, protected

5. What punctuation must each command line have at the end of the line ?

Generated by Foxit PDF Creator Foxit Softwarehttp://www.foxitsoftware.com For evaluation only.

8/8/2019 Quiz for C

2/5

:

,

!

;

6. The C++ language is

case-sensitive.

Not case-sensitive.

It depends

None of these

7. The number 5.9875e17 must be stored in a(n):

int

long

double

float

8. Select the correct definition for a string variable.

string mystr;

string mystr[20];

string[20] mystr;

char mystr[20];

9. The sentence "Hello world!" uses _____ elements in a character array.

10

11

12

13

Generated by Foxit PDF Creator Foxit Softwarehttp://www.foxitsoftware.com For evaluation only.

8/8/2019 Quiz for C

3/5

10. When you are creating a structure, you need to use the following keyword

structure

struct

object

record

11. Select the correct function definition (NOT prototype) from the list below.

void intro();

double sin(double rad);

int foo(int bar; double baz)

double pow(double num, int pow);

12. Cout can print multiple values or variables in a single command using the followingsyntax:

cout

8/8/2019 Quiz for C

4/5

It allows the programmer to use cout

8/8/2019 Quiz for C

5/5

12

error

23

20. For which values of the integer _value will the following code become an infiniteloop?

int number=1;while (true) {

cout