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4.3.1 Confidentiality, integrity and availability

To preserve the value of an information asset, an organisation needs to sustain simultaneously its scarcity and its shareability within their respective regions. This is the critical high-level information security goal for any information asset; it is the entire rationale of an information security management system.

To maintain the security of an information asset, an organisation must:

  • either make the information asset unavailable in it
    Author(s): The Open University

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Introduction

There is more to computers and processors than simply PCs. In fact computers are ubiquitous in everyday life. This unit challenges how we view computers through the examples of processors in kitchen scales and digital cameras, as well as a work of art that, at heart, is a computer.

This OpenLearn course provides a sample of level 2 study in Author(s): The Open University

8.2 Broadening perception

Particular perspectives and points of view underpin speaking and writing. Being successful at many academic tasks, including balanced argument, often requires us to be conscious of and to try to break away from our usual perspectives and ways of thinking, and to attend to things we might not normally notice. The challenge is often to be more open-minded and broad in our thinking, to consider more than one point of view in the way that the caffeine article did. It can be useful to have strateg
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4.15 Summary

This has been a very long section; so congratulations on your persistence!

I've considered in detail how text, pictures, moving pictures, diagrams and sound can all be reduced to numbers and stored inside the boundary in a computer's memory. A persistent theme has been the sheer size of the digital representation that we can get as the result. The need to reduce this amount of digital data, to compress the image, sound or film file we end up with, is taken up in the next course.<
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5 Summary

The aim of this course has been to give you an introductory overview of operations management. Operations is one of the central functions of all organisations The first learning outcome was that you should be able to ‘define “operations” and “operations management”’. I took the view in this session that operations embraces all the activities required to create and deliver an organisation's goods or services to its customers or clients.

The second outcome was that you
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Conclusion

This free course provided an introduction to studying education. It took you through a series of exercises designed to develop your approach to study and learning at a distance and helped to improve your confidence as an independent learner.


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1 Introducing the concept of freedom

What are the limits of individual freedom in a civilised society? Should we tolerate unlimited freedom of speech, no matter how offensive the views expressed? Can the state ever be justified in interfering with what consenting adults choose to do in private? When, if ever, is coercion acceptable? Are all laws obstacles to freedom, or are they the very condition of achieving it? Should we sometimes force people to be free, or is that a contradiction in terms? These are serious questions. They'
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5.1.1 Technique 1: Self-talk—turning negative statements into positive ones

You can guide your thinking away from general worry and self-doubt by turning negative self-statements into positive ones. This strategy is useful in all aspects of life. Figure 5 relates to an unsuccessful job interview and illustrates the process.

Figure 5Author(s): The Open University

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9.4 Activity: Developing your strategy for using skills in working with others

Develop a strategy for using skills in working with others over a period of time. Your strategy should include:

  • an identification of the opportunities you can use to practise your skills in working with ot
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Civilisation: Who decides? Heritage and the fabrication of history
Leading architectural historian Dr Simon Thurley looks at the growing role of the state in the cultural life of the nation in the 40th Anniversary Gerald Walter's Memorial Lecture
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6 Summary

There are two areas of general concern regarding the introduction of GM crops and food: the possible impacts on human health and on the environment. For some critics of GM technology, this reflects a feeling that GM technology is unnatural, as compared to conventional crop breeding. However, many techniques used in conventional crop development, for example, intergeneric and interspecific crossing, haploid breeding and mutation breeding, are highly technological and seem very far from being n
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8.4 The organisation of the mitotic chromosome

In order to prepare the chromosome for mitosis, a process in which DNA molecules become physically separated, an additional stage of compaction occurs to reach the highest level. The processes involved in this final stage of compaction are not clearly understood, but can be represented diagrammatically as in Figure 43. The process probably involves the coiling together of scaffolds into the higher-order structure.


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7.3 Depositing metals and alloys

Metal layers are used extensively in device fabrication: to carry current for both power and signals, to apply the voltages that control transistors and generate forces for MEMS, as mirrors and optical coatings, and in magnetic devices for recording media. Different applications might require a continuous film, a long track, multiple thin layers or a plug filling a ‘via hole’ through to a buried layer. The electrical properties resulting from micro structure and composition must be contro
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2 Effective recruitment and selection

The key to successful recruitment is to ensure that the criteria of suitability are overt and relevant to the job itself. Once these criteria are agreed and shared it is possible to make more rational decisions about someone's suitability for a job, based on evidence rather than ‘gut feeling’ or instinct. Effective recruitment and selection should not be about the luck of the draw. Systematic planning and preparation will increase the likelihood of taking on the right person. The key to e
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Babbage: Didi overtakes Uber
As Didi buys up Uber China, Kenneth Cukier discusses the implications with editors Tom Standage and from Shanghai, Vijay Vaitheeswaran. And Tim Cross explains the importance of IBM's new artificial neuron-on-a-chip
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7.1 The subjective experience

Two of the properties of sound that we have examined from an objective stance, frequency and amplitude, have a fundamental importance to our appreciation of sound and music. In this section I want to look more closely at the subjective interpretation of these two properties of sound. I should stress that I am talking about sine-wave sounds in this section. The complex, non-sinusoidal sounds encountered in music add extra layers of complexity to the relationships I am discussing here.

Ke
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Mi'kmaq: First Nation people
Can heritage continue to inform the way we live today? Is it possible to balance traditional ideas with a modern life? The Mi'kmaq people have had roots in Conne River Newfoundland in Canada for generations, but it was only officially designated as a reserve in 1987. Many of its indigenous inhabitants still feel a connection with the past and in recent times there has been a revival of interest in Mi'kmaq culture. These films give insight into Mi'kmaq life and examine the renewal of traditional
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Except for third party materials and otherwise stated (see http://www.open.ac.uk/conditions terms and conditions), this content is made available under a http://creativecommons.org/licenses/by-nc-sa/2

Georgians call on government to resign
Waving national and EU flags, thousands of Georgians take to the streets of the capital in one of the biggest anti-government rallies in years. Vanessa Johnston reports. Subscribe: http://smarturl.it/reuterssubscribe More updates and breaking news: http://smarturl.it/BreakingNews Reuters tells the world's stories like no one else. As the largest international multimedia news provider, Reuters provides coverage around the globe and across topics including business, financial, national, and inte
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4.11 Image and video capture devices

Earlier, we looked at keyboards and scanners as a means of taking text across the boundary.

SAQ 16

What are the main devices used for transforming images and video into digital form inside the computer?


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5 Conclusion

This OpenLearn free course an adapted extract from the Open University course A215Creative writing.

‘Writing what you know’ is a large and rich project, one that provides an endless resource, and one that can be undertaken in all the types of writing discussed in this course – poetry, fiction and life writing. The skill lies in reaw
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