Answer:
Central Processing Unit
Explanation:
Principle part of any digital computer system
<span>an electronic device used to determine a person's identity by detecting and matching the person's physical features, such as fingerprints or the eyes, to a database</span>
Information technology is the application of computers to store, retrieve, transmit and manipulate data, often in the context of a business or other enterprise.
Answer:
data source
Explanation:
The main aim of a data source is for the gathering of all necessary information that is needed to access a data. Since he has used the information to create a pie chart, this means that some data were used for the creation of this pie chart. Hence the information used for the creation of the pie chart is the data source for the information illustrated on the pie chart.
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