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Qualifications Pearson BTEC Digital Information Technology D1 Forms of notation

Tables and written information

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A manager needs to compare the exact delivery costs from six suppliers. Which form of notation is most suitable?
A table, because exact values can be read and compared
A table lists the number of visits to each page but has no column headings. Why is this a problem?
Readers cannot tell what each column of figures means
A company wants managers to spot the pattern in its sales over two years quickly. Which form of notation is best?
A chart, because trends are easier to see at a glance
A chart of monthly sales is included in a report. Why is written information added next to it?
To give the chart context and explain what it shows
What is a drawback of presenting data in a chart instead of a table?
A chart can hold less detail than a table
A written description of a new system is full of technical terms that staff do not know. Why is this a problem?
Staff may not understand how the system works
A table shows the number of online orders for January to April as 220, 260, 240 and 235. Which statement about the orders is correct?
The highest number of orders was in February
A table shows that sales fell sharply in March. The manager now needs to know why sales fell. Which form of notation is most suitable?
Written information, because the reasons can be explained in words
A written description of a new system says only that the system is modern and easy to use. Why is this description not effective?
It does not explain what the system can actually do
Which term describes a way of organising data in rows and columns so that exact values can be found and compared?
Table
What is meant by an executive summary?
A short section of text at the start of a document that outlines its main points
Which term describes a visual summary of information that allows patterns and trends to be understood quickly?
Chart
What is meant by a trend in data?
A general direction in which data changes over a period of time
Which term describes the short pieces of writing that are added to a table or chart to give it context?
Text description
Which term describes the text used to document a system, including executive summaries and text descriptions?
Written information