Which data communication method is used to send data in both directions at the same time?

Which part of the computer system can be physically touched?

Which one of the following is not a device?

What was the first computer language developed?

Computer virus is only one type of software which destroys the___

The IC chips of a computer are usually made by

'Spam' is a word related to which subject?

Saving a file from the Internet to a computer is called: