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What features of a laptop increase the speed at which it runs?

A higher clock speed (measured in hertz) means that the computer performs more tasks each second and so a program will run faster. Also, the greater the number of cores the machine has, the more operation...

Answered by Samuel W. ICT tutor
906 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...

Answered by Max A. ICT tutor
1340 Views

How Can You Prevent Viruses?

Viruses can be prevented by taking sensible precautions, including:

Keeping your operating system up to date.Using up to date anti-virus software.Not opening an email attachment unless you are expe...

Answered by Najeeb H. ICT tutor
1060 Views

Computer Memory consists of ROM and RAM. Please explain the difference in the two types of memory.

ROM stands for Read Only Memory and RAM stands for Random Access Memory. ROM is non-volatile which means that it stores the information on it permanently and read-only. It stores the information and instr...

Answered by Sarah E. ICT tutor
4136 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)

Answered by Adam M. ICT tutor
1644 Views

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