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          Computer Science

          Work during school closure

          Week 1 – The binary number system

          All computer data is represented using binary, a number system that uses 0s and 1s. Binary digits can be grouped together into bytes. Use simple techniques to convert between binary and denary and to add two binary numbers together.

          Week 2 – Binary subtraction

          Subtracting binary numbers is a bit different than subtracting decimal numbers, but by following simple steps below, it can be just as easy as adding binary numbers.

          Week 3 - Binary Representation of Text – The ASCII Character Set

          500 Internal Server Error

          Internal Server Error

          The server encountered an internal error and was unable to complete your request. Either the server is overloaded or there is an error in the application.

          Week 4 - Bitmap Images and cryptic pictures

          As we already know, computers can only deal with 0s and 1s (binary). Whenever a computer represents anything (numbers, characters etc) it has to do so in binary. Pupils learn how to use the binary colour code on the right to work out what image the grid below will display.

          Week 5 – how computers represent sounds

          Pupils the difference between analogue and digital sounds. Analogue sounds are pure and of perfect quality. E.g.: Listening to a singer (without a mic) at a concert is real – the quality is pure. Any computer recorded sound is not pure, not real and not of perfect quality. WHY? It is because sound has been digitised – it has been sampled at set intervals. Complete a quiz on BBC bitesize.

           

           

           

           

           

          Home Study Tasks

          Python beginners workbook solutions

          Python beginners workbook

          The following resource is for you to learn to code in Python to develop your programming skills. You need to install the latest version of Python which is Python 3.8.2 from //www.python.org/downloads/ . I have also provided the answer book but do not look at the solution first only when you are stuck then you can compare your code with the answer in the workbook. Be safe and keep learning

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