A machine that scans documents electronically.

In pinball game to launch the ball, press the ______________________ key.

_________________ is used for the communication between computer and user.

which system automatically checks out goods from a shop?

A man made program that enters our computer without us knowing about it.

______________is an example of Hardware Interface.

We can record our own voice with the help of _____________________.

A telephone exchange that serves a particular business or office.

It make phone calls "work" in the sense of making connections and relaying the speech information.

The wire that conducts the electricity to the earth is called _____________________.