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ICT
A Level

What is the relationship between data, information and knowledge? Use an example

Data consists of raw facts and figures. An example of data is 154, 160 and 156.Information is data which has been processed by the computer system. An example of information is the height of three heights...

JD
Answered by Jonah D. • ICT tutor
7433 Views

Explain the three different types of maintenance

Corrective maintenance refers to changes to software that have to be made to ensure the system works as it’s supposed to. In a multi-user system the combination of different hardware and software configur...

MA
Answered by Max A. • ICT tutor
1602 Views

The circle C has centre A (10, 12) and passes through the point B (15, 15). a) Find the length of AB, giving your answer as a simplified surd. b) Hence write down an equation for C in the form (x+c)^2 + (y+d)^2 = r^2.

a) Given two coordinate pairs (x1, y1) and (x2, y2) you can work out the distance AB as sqrt((x1-x2)2+(y1-y2)

AM
Answered by Adam M. • ICT tutor
1734 Views

I don't understand the relevance of comparing a current system to the one i'm going to build. The current system is completely different!

Okay, just take a step back for a minute. You're thinking too hard about what looks good on paper and not thinking logically. This is a coursework question and so you must write and explain like the exami...

SK
Answered by Sebastian K. • ICT tutor
2872 Views

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