In C/C++, the algebraic expression (b2-4ac) / 2a can be written as:

• A) b*b – 4* a*c / (2*a)
• B) b*b – (4*a*c) / 2*a
• C) b*b – 4*a* c/ 2*a
• D) (b*b – 4*a*c) / (2*a)

Which of the following C++ statements is used to show output on the screen?

• A) cerr
• B) cin
• C) cout
• D) cget

What will be the output of following program? #include <iostream> using namespace std; int main() { int x = 5; while (x > 0) { x--; } cout << "Final value of x: " << x << endl; return 0; }

• A) Final value of x: 0
• B) Final value of x: 5
• C) Final value of x: 6
• D) Final value of x: 2

Which of the following C++ statements is used take input from the user?

• A) cout
• B) cget
• C) cerr
• D) cin

A binary operator has _____ operands.

• A) Four
• B) Two
• C) One
• D) Three

The coding of a program is translated into machine language by ______.

• A) Linker
• B) Debugger
• C) Loader
• D) Compiler

Which of the following expression is correct in C/C++ language?

• A) X + 5 = Y + 7
• B) Y + X = 7
• C) X = X + 3
• D) 3 = X + 3

Which of the following is the correct way to initialize all the elements of array with 0?

• A) int arr[5]={5&0}
• B) int arr[5]={0};
• C) int arr[5]=All_Zero;
• D) int arr[5]={5(0)};

The size variable in the following program is a ______ variable. #include<iostream> … int size; … int main () { … }

• A) Static
• B) Local
• C) Constant
• D) Global

Two arrays are equal if ____________.

• A) Both their size and values are equal
• B) Only their values are equal
• C) Their values are equal but size is not
• D) Only their size is equal

Which of the following is the correct method to declare an array?

• A) array name [size] data type;
• B) data type array name [size];
• C) [size] array name data type;
• D) array name data type [size];

char name [] = “Hello World”; In the above statement, a memory of ____ characters will be allocated to the array name.

• A) 11
• B) 10
• C) 13
• D) 12

How do you access the element in the second row and third column of a 2D array named matrix?

• A) matrix[2][1]
• B) matrix{2, 3}
• C) matrix[2][3]
• D) matrix[1][2]

Which of the following two arrays are copy-able?

• A) int a[4], int b[5]
• B) float a[4], int b[5]
• C) int a[5], int b[5]
• D) int a[5], float b[5]

Which of the following is the default function calling mechanism of C/C++?

• A) Call by Function Memory
• B) Call by Reference
• C) Call by Variable Address
• D) Call by Value

What will be the output of the following code snippet? void func(int arr[]) { arr[0] = 10; } int main() { int arr[5] = {1, 2, 3, 4, 5}; func(arr); cout << arr[0]; return 0; }

• A) 2
• B) 1
• C) Undefined
• D) 10

In the call by reference method, which operator is used to get the address of a variable?

• A) %
• B) #
• C) &
• D) @

In C++, if we want to execute more than one statement within an ‘if statement’, then we have to enclose all statements in ______.

• A) <>
• B) {}
• C) []
• D) ()

Which of the following option is used when working with complicated expressions in C++ ?

• A) []
• B) /
• C) ()
• D) {}

What will be the output of the following code? int i = 1; while(i<10){ if (i % 2 == 0) cout << i << “ ”; i++; }

• A) 1 3 5 7
• B) 2 4 8 10
• C) 2 4 6 8
• D) 2 4 6 10