Computer fundamental part 1

All of the following are examples of input devices except which one of the following ?

Windows Word is an example of

How many bits are equal to 1 Byte

Which of the following is/are example of storage devices ?

A binary number system contains 1 and 0 as its possible digits.

Which of the following is the expansion of ALU ?

Who is the father of computer ?

What is the full form of GUI ?

File Transfer protocol allows user to transfer file from one computer to another on theĀ  internetĀ  ?

Are all open source software come free ?