A. Fill in the blanks: 1.
is an effective way to display data in pictorial form.
2. Data series are the bars or slices that show the
3. Barchart displays data in the form of long
rods.
4.
is the vertical axis that is used to plot the values.
5.
is a key that is used to identify the colours, patterns, or symbol assigned to a data series.
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1. Charts.

2. Data series.

3. Rectangular.

4. Y-axis.

5. Legend.

Explanation:

1. Charts: is an effective way to display data in pictorial form. It includes the use of pie charts, bar charts, venn diagram, etc.

2. Data series: are the bars or slices that show the data values. It comprises of related data sets.

3. Barchart displays data in the form of long rectangular rods. Generally, bar charts are used for the comparison of informations obtained from a data collection by representing each value (information) with rectangular bars respectively. A bar chart has a x-axis and a y-axis used to represent the various categories of data collected.

4. Y-axis: is the vertical axis that is used to plot the values. The other axis for plotting values is known as X-axis.

5. Legend: is a key that is used to identify the colours, patterns, or symbol assigned to a data series.

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that without the operating systems you would have to control and synchronize computer hardware.