Which of the following is NOT a data transmission channel?
What is the collection of two or more computers joined together through communication media, to share information and resources called?
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?
Define the term ‘Data Communication’.
a) Explain what video conferencing is.
b) Describe how video conferencing can be used in your school.
c) List two input or output devices required to conduct a video conference call.