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An extended essay in computer science provides students with an opportunity to investigate a particular aspect of computing and its implications for society and the world.
Within this context, they can research the latest developments and future possibilities in a rapidly changing subject that is continually breaking new barriers. There are many possible areas to be explored, each with a wealth of topics: advances in hardware and software development, comparison of the efficiency of algorithms designed to speed up data transmission or to encrypt data, network systems, computer control systems and so on.
The chosen topic may be inspired by a magazine article, an internet site, one of the case studies published in connection with computer science HL paper 3 examinations, a conversation or simply an idea that could fall into one of the following areas of interest:
aspects of the current computer science syllabus that are taken to a far greater depth than that provided in the course
current aspects of computing that are set to change or be challenged in the near future
future developments that are currently experimental but beginning to look possible
solutions to limitations that are evident in current hardware or software
comparisons between different computer systems that are actually in place.
The topic chosen should allow the student to make a full appropriate analysis, putting forward his or her own point of view.
It is important that the chosen topic and its treatment reflect a firm emphasis on computing science and explores beneath the surface of this subject.
It is also important that the work goes beyond a summary of journalistic views on a particular topic. It is not sufficient for the student simply to describe new advances and developments in computing. Students are expected to analyse their findings and consider the implications.
Often, the ethical and social effects of the topic chosen will be important and may well have a part within the essay, for example in the conclusion. However, an essay that makes these considerations a major focus is not appropriate and would be better submitted as an information technology in a global society (ITGS) essay.
An in-depth analysis of trends and advances in computing should include aspects of the theory of computer science, which would necessarily demonstrate a high degree of technical knowledge and understanding.
Data for analysis may be generated from a programme written by the student. This is often an appropriate method of investigation, but the code itself, and its development, will not be rewarded under the assessment criteria unless the specific techniques employed are of particular relevance to the research question.
All information from International Baccalaureate Organisation (IBO)