What do you answer even though it never asks you questions?

This is a picture puzzle. You have to guess the name of the movie that can be related to the picture.

I am an eight letter word and I am a computer terminology.
The second, third and fourth letters make an animal.
The fourth, fifth, sixth, seventh and eighth letters make a weapon.
The first, second, third and fourth letters can be taken as an outcome of any exam.
The fifth, sixth, seventh and eighth letter combine to form a high end typing software.

Can you tell who am I ?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

A mother bought three dress for her triplets daughters(one for each) and put the dresses in the dark. One by one the girls come and pick a dress.
What is the probability that no girl will choose her own dress?

I always drive my customer away.

Who am I?

A wooden log balances equally on the scales when weighed with three-quarters of a pound and three-quarters of a wooden log.

Can you calculate the weight of the entire wooden log?

What four weights can be used to balance from 1 to 30 pounds?

What goes up but never comes down?