Which one of the following is a nonprobability sampling method?

Users  who use media for their own  ends are identified as

Classroom communication can be described as

Ideological codes shape our collective

In communication myths have power but are

Organisational  communication can be equated with

If two propositions having the same subject and predicate terms are such that one is the denial of the other, the relationship  between them is called

Classroom communication is normally considered as

Means of grapevine communication are

The communicated knowledge in a classroom is considered as

Encoding or scrambling data for transmission across a network is known as

Which of the following is not an output device

Which of the following represents one billion characters

Which of the following is not open source software

Which one of the following represents the binary equivalent of the decimal number 25

Which is an instant messenger that is used for chatting

Which of the following is a primary pollutant in atmospheric air?

A volcanic eruption will be violent if there is

A research paper

Which of the following sampling methods is not based on probability?