the simulation of patients waiting for their turn to see a doctor

the moving vehicles on the multilane roadway

the printing jobs sent to a networked printer

none of the above

It refers to Queue. The first data to be added into the queue will be the first to be removed out from the queue.

It refers to Queue. The last data to be added into the queue will be the first to be removed out from the queue.

It refers to Stack. The first data pushed onto the stack will be the first to be popped out from the stack.

It refers to Stack. The last data pushed onto the stack will be the first to be popped out from the stack.

pop()

push(operator)

pop() & display the popped data

push(operator)

pop()

push(operator)

push(operator)

pop() & display popped data

push(operator)

push(operator)

push(operator)

pop() & display the popped data

x

z  

a

a 

y

x

a 

z  

x

x

y 

a

pop( )

empty( )

full( )

The pop() will be called after checking of the stack by fullStack() 

One of the stack applications is conversion from postfix to infix

Push operation will only be done when the stack is empty

The last data to be inserted into the stack will be the first to be removed out from the stack.

checking for an empty stack

peek the top value of the stack

checking for a full stack

insert and remove of data onto/from the stack 

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