Mastery

What will be the output of this C++ code? int a = 7, b = 3; cout << a % b;

• 1
• 2
• 3
• 0

What does this C++ code output? bool x = true, y = false; cout << (x || y);

• 1
• 0
• True
• False

What is the result of this expression? (5 != 3) && (4 < 2)

• True
• False
• 1
• 0

What is the output of this C++ code? int x = 10; cout << --x << " " << x--;

• 9 9
• 9 8
• 10 9
• 9 10

What will this code print? int x = 5, y = 8; cout << (x < y ? x : y);

• 5
• 8
• 13
• Error

What will be printed? int num = 3; if (num % 2 == 0) cout << "Even"; else cout << "Odd";

• Even
• Odd
• 3
• Error

Identify the error in this if statement: if (x = 5) cout << "Five";

• x should be == 5
• Missing semicolon
• cout should be printf
• x should be declared

What will this switch statement output? int num = 4; switch (num) { case 3: cout << "Three"; break; case 4: cout << "Four"; break; default: cout << "Other";}

• Three
• Four
• Other
• Error

What's wrong with this code? switch (2) { case 1: cout << "One"; case 2: cout << "Two"; case 3: cout << "Three"; }

• No break statements
• switch requires integers
• Cases should be strings
• Brackets are incorrect

What will be the output? for (int i = 0; i < 4; i++) { cout << i << " ";}

• 0 1 2 3
• 1 2 3 4
• 0 2 4 6
• Infinite loop