Q36.Marks: +2.0UGC NET Paper 2: Computer Science 11 March 2023
Consider the following conditional code, which returns a Boolean values
if ((x > 25) && (y >100))
return 'false';
else if((x ≤ 25) && (y ≤ 100))
return 'true';
else if((x > 25) && (y ≤ 100))
return 'false';
else
return 'true';
Simplify it by filling in the following blank with a single Boolean expression without changing the behaviour of the conditional code.
if (__________)
return 'true';
else
return 'false';
1.x > 25
2.x ≤ 25✓ Correct
3.y >100
4.y ≤ 100
Solution
The correct answer is x ≤ 25
EXPLANATION:Here the code:
if ((x ≤ 25) || (y > 100))
return 'true';
else
return 'false';
This code aims to achieve the same result as the above code provided. Let's analyze the conditions:
(x ≤ 25): This condition is true when x is less than or equal to 25.
(y > 100): This condition is true when y is greater than 100.
The || (logical OR) operator is used between these conditions. In the simplified code:
If either (x ≤ 25) is true or (y > 100) is true (or both), the entire expression evaluates to true.
If neither condition is true, the entire expression evaluates to false.
So, the code essentially says: Return 'true' if either x is less than or equal to 25 or y is greater than 100. Return 'false' otherwise.