Answer:
The second one is correct you don't put a space after the comma.
Explanation:
True. Audacity is what is known an open source programme
Answer:
Internet advertising has the advantage of being especially affordable.
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Answer:
A Master Page & a Style Sheet
Explanation:
Answer:
An operating system is the most important software that runs on a computer. It manages the computer's memory and processes, as well as all of its software and hardware. It also allows you to communicate with the computer without knowing how to speak the computer's language.
Explanation:
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