Computer Science and C++ Test Answers, Page 2

Question #11

What character terminates all strings composed of character arrays?

\0
.
\END

Question #12

If you push 1, 3, and 5 - in that order - onto a stack, which number is popped out first?

5
1
3

Question #13

What does the code strcat(an_array, "This"); do?

Copies "This" into an_array
Adds "This" to the end of an_array
Compares an_array and "This"

Question #14

Evaluate the following:
int fn(int v)
{
if(v==1 || v==0)
return 1;
if(v%2==0)
return fn(v/2)+2;
else
return fn(v-1)+3;
}
for fn(7);

10
11
1

Question #15

Evaulate the following: 22%5

2
4
0

Question #16

Which of the following data structures is on average the fastest for retrieving data:

Binary Tree
Hash Table
Stack

Question #17

What is the output of the following code:
int v()
{
int m=0;
return m++;
}
int main()
{
cout<<v();
}

1
0
Code cannot compile

Question #18

Which of the following functions initalizes the variables contained in a class:

Constructor
Destructor
Constitutor

Question #19

Is C++ case sensitive?

No
Case sensitivity is compiler-determined
Yes

Question #20

Which datatype can store decimal numbers?

unsigned int
char
float

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