Grade6 revision th

A ---------------- is a group of two or more computers connected together with the help of some hardware and software.

• Computer hardware

• Computer Network

• Software

A computer network allows us to share information.

• True

• False

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

• WAN

• LAN

• PAN

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

• True

• False

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

• Hardware

• Network software

• Software

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

• True

• False

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.

• Network card

• Sound card

• Touch screen

An example of sound program is Sound Recorder

• True

• False

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

• True

• False

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

• MP

• GB

• Byte