COMPUTER NETWORK - Informatics G8

What is a computer network?

• when 2 or more computers are connected together

• a group of computers in the same area

• a collections of several computers that have the same features

What is the main purpose of a computer network?

• to communicate

• to share data or information

• to share resources

• All of them are correct

Think about it....does Citra Kasih School System use a Personal Area Network for its students and teachers?

• Yes, that's what we use.

• No, we don't use that type of network.

Think about it...Does Citra Kasih Computer room use a Local Area Network for all of its students and teachers?

• No, that is not the network our school uses for its computer room.

• Yes, that is the network our school uses for its computer room.

The Internet is an example of what type of network?

• Wide Area Network (WAN)

• Local Area Network (LAN)

• Personal Area Network(PAN)

A LAN is a network where each node is relatively close to the next.

• False

• True

A WLAN uses cables to communicate between devices.

• False

• True

The ones and zeros that we assign to electrical impulse of data are called...

• bits

• waves

Which of the following is NOT a way that bits are physically sent?

• water

• light

• electricity

• radio waves

Which physical method of sending bits can travel the farthest distance without significant weakening?

• copper cable

• fiber optic cable