Which of the below owl is odd one out?

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 ?

Which is faster, Heat or Cold ? Explain.

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

If a wheel has 54 spokes, how many spaces are there between the spokes?

Take one out and scratch my head, I am now black but once was red. What am I?

How can one talk without saying a single word?

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

what does this picture(rebus) riddle means ?

Cristina leaves home and then she makes exactly 3 left turns and returns home where she found 2 girls wearing the mask.

Who are these two masked girls?