Numeration systems

Prepare a 300 word essay explaining how the numeration systems can be applied in the real world today. Please include in your essay types of careers that rely on these methods and be specific on how these methods are used. Additionally, explain why the octal and hexadecimal systems are convenient for people who code for computers. Please state any references used. If you do not submit at least 300 words and if it does not read with clarity – you will not get credit for this question!