Form 2: Data Communication

What is the collection of two or more computers joined together through communication media, to share information and resources called?

• Network

• Internet

• half duplex

• full duplex

Which of the following is NOT a data transmission channel?

• Computers

• Telephone Lines

• Microwave Links

• Satellites

The two types of communication media are:

• Twisted and coaxial cables

• duplex

• Bluetooth

• wired and wireless

Which type of media uses radio-waves, microwave, infrared, satellite and bluetooth communication?

• wired

• television

• wireless

• computer

Which network connects computers within a large geographical area?

• WAN

• LAN

• MAN

• None of the above

Wireless communication in a straight line is accomplished using which of the following?

• Radio Waves

• Microwaves

• Satellite

• Fibre Optics Cable

The Internet can be used for:

• Communication

• Checking e-mail

• File transfer

• All of the above

This device is a combination of a telephone and a copier in one.

• Printer

• Scanner

• Fax Machine

• Router

In addition to making and receiving calls, this device can also be used to send and receive text messages:

• Router

• Mobile Phone

• Fax Machine

• Modem

This device is a mobile phone which performs many functions of a computer and can access the Internet as well:

• Tablet

• Laptop

• Fax Machine

• Smart Phone