CHAPTER 3 : STACKS

What does LIFO stand for in the context of stack operations?

• Last In First Out

• Last In Final Out

• Last Item First Out

• Last Input First Output

What error occurs when attempting to push an item into a full stack implemented with an array?

• Underflow

• Overflow

• Null Pointer Exception

• Out of Memory

What is a real-life example of a stack?

• Queue at a bus stop

• Pile of dishes in a cupboard

• Line of cars in traffic

• People sitting in a circle

Which operation adds an item to the top of the stack?

• Pop

• Push

• Peek

• Shift

What problem can occur when attempting to pop an item from an empty stack?

• Overflow

• Underflow

• Overload

• Underload

Which stack operation returns the top item without removing it from the stack?

• Push

• Pop

• Peek

• Shift

In a stack, which position is considered for adding (pushing) and removing (popping) items?

• Bottom

• Middle

• Anywhere

• Top

Which analogy best represents a stack in real life?

• A stack of rice plates

• A line at a coffee shop

• A row of parked cars

• A circle of chairs

What does 'overflow' mean in the context of stack operations?

• Stack has unused space

• Stack is being accessed illegally

• Stack is full and cannot accept new items

• Stack is incorrectly implemented

What indicates that a stack implemented using an array is empty?

• top == -1

• top == 0

• top == capacity - 1

• top == array size