Operators & Expressions MCQs

18 MCQs — Fundamental Programming MCQs (Page 1 of 2)

Practice Operators & Expressions MCQs with correct answers and explanations. These questions are from the Fundamental Programming MCQs section.

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Fundamental Programming Subcategories

Control Structures	Errors & Exceptions
Functions & Parameter Passing	Memory Management
Object-Oriented Concepts	Operators & Expressions
Programming Paradigms	Recursion
Translation & Execution	Variables & Scope

In C++, what is the result of int a = 5; int b = a++ + ++a;?

13
12
11
Undefined behavior

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In C++, what happens with int i = 0; if (i != 0 && 10 / i > 1) {...}?

The condition is true
The condition is false and no division occurs
Compilation error
A divide-by-zero crash occurs

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In C, what is the value of the expression 5 / 2 * 2.0?

2.5
4.5
5.0
4.0

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In Python 3, what is -7 // 2?

3
-3.5
-3
-4

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In C++, what is -7 / 2?

-3
Implementation-defined between -3 and -4, with no standard rule
-3.5
-4

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In Python, what is -7 % 3?

1
-1
-2
2

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In C++, what is -7 % 3?

1
-1
2
-2

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In C, what is the value of x after int x = 2 + 3 * 4 % 5;?

14
0
4
2

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In C, what does if (x = 0) { puts("zero"); } do?

It assigns 0 to x and the body never executes
It always prints 'zero'
Compilation error
It prints 'zero' if x was 0

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In C++, what are the values of 6 & 3 and 6 && 3?

1 and 2
2 and 1 (true)
2 and 2
7 and 1

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