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Question 1[4 Marks]
With respect to computer networking, define the term protocol and explain the importance of protocols on the internet.
Question 2[5 Marks]
Explain why data is often compressed prior to transmission across a network.
Question 3[6 Marks]
Explain why the speed of data transmission across a network can vary
Question 4[4 Marks]
Outline two ways in which an operating system hides the complexity of the hardware from users and applications.
Question 5[3 Marks]
With respect to physical limitations, evaluate a resource managed by mobile phones.

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