The condition (top == -1) is used to check the underflow situation in the context of a stack data structure in computer science.

Here's the step by step explanation:

1. In a stack data structure, 'top' is a variable that always points to the topmost element in the stack.

2. The 'top' variable is initialized with -1 when the stack is empty, meaning there are no elements in it.

3. Therefore, if 'top' is equal to -1, it means the stack is empty.

4. Trying to remove an element from an empty stack is known as 'underflow'.

So, the condition (top == -1) is used to check the underflow situation. Hence, the answer is b. Underflow.

Question

The condition (top == -1) is used to check the underflow situation in the context of a stack data structure in computer science.

Here's the step by step explanation:

1. In a stack data structure, 'top' is a variable that always points to the topmost element in the stack.

2. The 'top' variable is initialized with -1 when the stack is empty, meaning there are no elements in it.

3. Therefore, if 'top' is equal to -1, it means the stack is empty.

4. Trying to remove an element from an empty stack is known as 'underflow'.

So, the condition (top == -1) is used to check the underflow situation. Hence, the answer is b. Underflow.

Knowee AI · Accepted Answer

The condition (top == -1) is used to check the underflow situation in the context of a stack data structure in computer science.

Here's the step by step explanation:

1. In a stack data structure, 'top' is a variable that always points to the topmost element in the stack.

2. The 'top' variable is initialized with -1 when the stack is empty, meaning there are no elements in it.

3. Therefore, if 'top' is equal to -1, it means the stack is empty.

4. Trying to remove an element from an empty stack is known as 'underflow'.

So, the condition (top == -1) is used to check the underflow situation. Hence, the answer is b. Underflow.

The condition (top == -1) is used to check which of the following situation?a.Overflowb.Underflowc.isFull()d.None of the aboveClear my choice