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Explain what is meant by "volatile" and "non-volatility" memory, their uses, and the difference between them

The contents of volatile memory, also known as flash memory, is not preserved when the device is turned off, unlike non-volatility memory, also known as persistent memory, which can be used for long term dat...
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Answered by Thomas B. • Computing tutor
6865 Views

You are given a sequence of numbers: -2, 12, 32, 58, 90, ... Work out the 7th term in this sequence.

This is a question from Higher Tier and involves 1) realising that 2nd difference is a constant: 6. 2) knowing that constant 2nd difference implies the sequence is quadratic. 3) remembering or proving that c...
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Answered by Maxym V. • Maths tutor
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Find the constant term in the binomial expansion of (3x + 2/(x^2))^33

Recall that the general term in the binomial expansion of (x+y)^n is (nCr)(x^n-r)(y^r), so by the binomial theorem, the entire expansion is the sum of these terms from r = 0 to n. In this case, n = 33, the f...
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Answered by Elias G. • Maths tutor
8876 Views

Explain two reasons why the ratio decidendi of a case may sometimes be difficult to establish.

One of the key reasons why the ration decidendi of a case may be difficult to establish is that judgements are often written in a discursive manner so it is difficult to extract that main reasons for the jud...
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Answered by Amy H. • Law tutor
15444 Views

To what extent was poor military leadership the main cause for Italy's poor performance during the First World War?

In order to answer this question, it is essential to dissect the question into exactly what it is asking you to cover in your answer. There is clearly a factor you must take into consideration whilst looking...
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Answered by Flora K. • History tutor
3465 Views