Data can be generally divided into analog data and digital data.
正确
举一反三
- Which is the modulation and demodulation technology mainly used among the following communication modes? A: Analog channel transmits digital data B: Analog channel transmit analog data C: Digital channel transmit digital data D: Digital channel transmit analog data
- Big data can be used to process verycomplex data.
- The data collected by the statistical survey can be original data or secondary data. The relationship between the original data and secondary data is ( ) A: The original data comes from the grass-roots units, and the secondary data comes from the superior units B: Secondary data is processed from original data C: There is no necessary connection between the original data and the secondary data D: There is no difference between primary data and secondary data
- Primary data is generally available more quickly and at a lower cost than secondary data.
- Dissertations can be solely based on secondary data without the need<br/>for primary data.() A: √ B: ×
内容
- 0
We can cite data from other studies when we comment on our data.
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The purpose of data analysis is to find patterns in the data.
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中国大学MOOC: Dissertations can be solely based on secondary data without the need for primary data.
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We can use “data is” rather than “data are”.
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The primary data is always better than secondary data. ()