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Memory is most computers that use the Von Neuman architecture is used to store program instructions and data. When any program or process is doing something inside a computer the computer used RAM (random...

There are 2 ways I know to convert decimal to binary, the first way I learnt to use is done by removing the highest power of 2 from the decimal value we have. Lets take 154 as an example. The powers of 2 ...

To calculate the pH of a solution/compound, we can use the equation: pH = - log₁₀[H+]Within the sodium hydroxide solution, you would observe Na + and OH - ions so in order to find the concentra...

Exam essay questions test your ability to produce a coherent argument using knowledge and ideas learned during the year. It is often tempting to try to include everything you've learned, but the best answ...

In my experience practice makes perfect and the best way to do this is to immerse yourself with as much past papers as you can do. Maths is maths so don't be afraid to check other exam boards for their pa...