A computer network allows us to share information.

If a computer network is established in a floor or building, it is called --------------

If a computer network is extended to several building, a city or even a country, it is called WAN (wide area network).

---------------- is a computer program or application that helps to set up, mange, and monitor computer network.

Bluetooth is a wireless technology standard for exchanging data over short distances.

A ------------------ is an internal computer expansion card that enables the input and output of audio signals to and from a computer with the help computer programs.

An example of sound program is Sound Recorder

The resolution tells us how fine or detailed a photo will be.

The resolution of a camera is measured in terms of ------------

A -----------------is an electronic visual display technology capable of detecting a touch over its display area.

A network card connects the computer to a hub with the help of a network cable.

A network card enables a computer to communicate with other computers.