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Convert the base-10 number 74 into an 8-bit binary number

In base-10 (denary) representation numbers are represented by saying how many units, tens, hundreds, thousands etc... there are from right to left. So for 74 there are 7 tens and 4 units. In binary, each dig...
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Answered by Matthew H. • Computing tutor
19689 Views

The question has asked me to ‘discuss’ a statement. How do I write a good answer?

Many students struggle with questions that ask for a statement to be ‘discussed’. What does the question mean? What am I being asked to do? It’s not always clear. However, if you remember a few golden rules ...
LH
31574 Views

What is meant by 'activation energy' ?

This is the MINIMUM energy required for a reaction to work or to be activated. If this energy is not reached, the reaction in full does not happy. Imagine a game of basketball. If you do not shoot the ball h...
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Answered by Yacine H. • Chemistry tutor
3809 Views

What is the difference between genotype and phenotype?

In genetics, traits such as eye colour, sex and skin colour are carried in genes. Taking eye colour as an example, you will have a gene located somewhere within a chromosome encoding for eye colour. This gen...
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Answered by Andrea D. • Biology tutor
6522 Views

How does perfect tense work in French?

In French, to talk in the past about an event, a precise action (that didn't last), we use the perfect tense. It is basically formed using two components : an auxiliary verb and a past participle. There are ...
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Answered by Virgile T. • French tutor
3422 Views