C++ Institute Exam CPA-21-02 Topic 5 Question 20 Discussion

Actual exam question for C++ Institute's CPA-21-02 exam

Question #: 20
Topic #: 5

[All CPA-21-02 Questions]

What will happen when you attempt to compile and run the following code?

#include

using namespace std;

#define A 1

int main()

{

#if A

cout<<"Hello";

#endif

cout<<"world";

return 0;

}

AIt will print: Helloworld

BIt will print: Hello

CIt will print: world

DIt will print: 0

Show Suggested Answer

Suggested Answer: C

by Zoila at Jul 05, 2024, 07:26 PM

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Mattie

13 days ago

The correct answer is definitely B) It will print: Hello. I mean, come on, it's a simple preprocessor directive. How could anyone get that wrong?

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Stefan

15 days ago

Hmm, I'm not sure. Maybe D) It will print: 0? That would be a pretty funny outcome if the code just returned 0 instead of actually printing anything.

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Ashanti

1 months ago

I think the answer is A) It will print: Helloworld. The preprocessor will include the 'Hello' message, and then the 'world' message will be printed right after it.

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Raelene

7 days ago

User 2: Correct, the preprocessor will include the 'Hello' message.

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Lemuel

23 days ago

User 1: I think the answer is A) It will print: Helloworld.

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Paz

2 months ago

I think the answer is C because the preprocessor directive #if A evaluates to true since A is defined as 1.

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2 months ago

I think the answer is A.

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