Which of the following is NOT a data transmission channel?

The two types of communication media are:

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

Which network connects computers within a large geographical area?

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

The Internet can be used for:

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

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

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

The program which enables you to manage electronic messages all over the world is called:

Which of the following is an example of an e-mail address?

The hardware device that likns or connects the computer to the Internet is a: