Data Communication

What is data communication?

• Transfer of data from one point to the next.

• Transfer of electronic data from one point to the next over a communication medium.

• sending information

• none of the above

Types of communication media

• Twisted and coaxial cables

• duplex

• Bluetooth

• wired and wireless

This is the process of using communication facilities such as the telephone and microwave relays to send data over a far distance without changing it.

• wireless communication

• Telecommunication

• Data communication

• wired communication

The two basic types of computer networks are;

• MAN AND LAN

• STAR TOPOLOGY

• LAN and WAN

• BUS TOPOLOGY

collection of two or more computers joined together through communication media, to share information is?

• Computer network

• Wired network

• half duplex

• full duplex

Which network connects computers within a large geographical area?

• Wide Area Network

• Local Area Network

• Metropolitan Area Network

• None of the above

radio-waves, microwave, infrared, satellite and bluetooth are examples of which media?

• wired

• television

• wireless

• computer

Name the image shown.

• network

• bus topology

• ring topology

• star topology

Full Duplex data flow means:

• data travels in both directions, but only one direction at a time.

• data travels in only one direction.

• - data travels in both directions at the same time.

• data does not travel.

a. Facilitates the sharing of resources

d. Reduces the cost of communication

• data communication media

• network topology

• data flow

• advantages of using a network.