Which one of the following  is a well known antivirus software?

Which device is used to send SMS and MMS?

To communicate with peripherals we need an _____________________.

This is often used for surveillance in areas which need security.

which system automatically checks out goods from a shop?

______________ can transmit human speech in the form of electrical signals or radio waves.

____________is the point of interaction or communication between a computer and any other entity.

A machine that scans documents electronically.

A telephone exchange that serves a particular business or office.

___________is an electrostatic printing process used to make photo copies of printed documents or illustration.