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5. The internet and its uses
A section of Computer Science, 0478
Listing 10 of 111 questions
Identify which five computer terms are being described below. A system designed to prevent unauthorised access to or from a private network or intranet; it examines all data traffic to and from the network and filters out anything that does not meet certain criteria. Software that can be used on a trial basis before buying the full version; it often does not include all the features of the full version or has a time limit before it stops working. A protocol for transmitting private documents via the Internet; it uses two keys to encrypt the data – a public key and a private key. A standard adopted by the electronic music industry for controlling devices that produce music, such as synthesisers and sound cards. A device that allows audio signals to be converted into electrical signals which can be interpreted by a computer after being converted into digital signals.
0478_w15_qp_11
THEORY
2015
Paper 1, Variant 1
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Questions Discovered
111