BCS HIGHER EDUCATION QUALIFICIATIONS BCS Level 4 Certificate in IT April 2010 EXAMINERS’ REPORT Computer and Network Technology This report is for Sections A and B of the paper. It consists of two sections: 1. Overall comments 2. Detailed questions’ report 1. Overall comments As in previous sittings‚ many candidates did not follow instructions and accordingly did not encircle the question numbers at the front of their scripts. Candidates failed to write the question number at the top
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UNCLASSIFIED UNCLASSIFIED 1 Open Data Strategy June 2012 UNCLASSIFIED UNCLASSIFIED 2 Contents Summary ................................................................................................... 3 Introduction ................................................................................................ 5 Information Principles for the UK Public Sector ......................................... 6 Big Data .......................................................................
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Queenie 1097300104 E5B Data Analysis First Part Personal information: including the participants’ gender‚ age‚ educational background‚ marital status and monthly income. Gender As Figure 1 showed‚ there were 45% of female participants and 55% of male. The numbers of the participants of each gender were very close. Age The respondents were all my friends on Facebook; as the result‚ the majority (73%) of their age was in the range of 16-20‚ as seen in Figure 2. Figure 1: Gender
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The Information technology industry‚ where nothing is predictable and constant change has become a usual trend‚ is now on its new phase of its evolution stages. According to Richard L. Nolan‚ MBA Class of 1942 Professor of Business Administration: “Information Technology is no longer being used as just a tactical resource‚ it’s now fundamentally influencing business strategy and competition” (http://www.alumni.hbs.edu/bulletin/1997/april/text/theory_text.html 04.02.06). This paper will examine and
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1 Secondary data analysis: an introduction All data are the consequence of one person asking questions of someone else. (Jacob 1984: 43) This chapter introduces the field of secondary data analysis. It begins by considering what it is that we mean by secondary data analysis‚ before describing the type of data that might lend itself to secondary analysis and the ways in which the approach has developed as a research tool in social and educational research. The second part of the chapter considers
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Data Anomalies Normalization is the process of splitting relations into well-structured relations that allow users to inset‚ delete‚ and update tuples without introducing database inconsistencies. Without normalization many problems can occur when trying to load an integrated conceptual model into the DBMS. These problems arise from relations that are generated directly from user views are called anomalies. There are three types of anomalies: update‚ deletion and insertion anomalies. An update anomaly
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Table of Contents Part 1: General review of data link layer 2 a) Explain the working principles of the data link layer. 2 b) Is controlled access better than contention for media access control? Discuss. 2 c) Why is error detection important in this layer? What is being measured? 3 d) Identify three significant noises that can cause errors in data communication digital circuits. Briefly explain. 3 Part 2: General review of error correction 4 a) Why is cyclical redundancy
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Explain The Legal And Ethical Issues In Relation To The Use Of Business Information Unit 4 p2 12 b 1 Introduction There are many issues which relate to the use of information which affect an organisation‚ there are three main headings which are legal issues‚ ethical issues These main headings cover all the key information and how it may affect an organisation which may be crucial to the way they deal with information and how it may need to adjust its way of operating for legal issues
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Collecting and Representing Data During the past few lessons you have looked at ways of collecting and representing data. You will now put all of your knowledge together to complete these questions. Question 1: The information shown displays the colour of 30 cars in the school car park. Complete the tally chart below. Car Colour | Tally | Frequency (Total) | Green | | | Grey | | | Yellow | | | Red | | | Black | | | Blue | | | White | | | Question 2: Using
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Module 815 Data Structures Using C M. Campbell © 1993 Deakin University Module 815 Data Structures Using C Aim After working through this module you should be able to create and use new and complex data types within C programs. Learning objectives After working through this module you should be able to: 1. Manipulate character strings in C programs. 2. Declare and manipulate single and multi-dimensional arrays of the C data types. 3. Create‚ manipulate and manage C pointers
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