Flashcards
Understanding Data
Flashcards do conjunto (11)
- 1What is Data?Data refer to unorganised facts that can be processed to generate meaningful result or information.
- 2structured dataData which is organised and can be recorded in a well defined format is called structured data.
- 3Unstructured datadata which are not in the traditional row and column structure is called unstructured data.
- 4Storage devices.Hard Disk, SSD, CD/DVD, Pen Drive, Memory Card, etc.
- 5What is Data Processing Cycle?Data Processing cycle involves input and storage of data, its processing and generating output.
- 6Which are statistical techniques?Mean, Median, Mode, Range, and Standard
Deviation - 7MeanMean is the average of given values
- 8MedianMedian is the mid value when data are sorted in ascending/descending order.
- 9ModeMode is the data value that appears most number of times.
- 10RangeRange is the difference between the maximum and minimum values.
- 11Standard deviationStandard deviation is the positive square root of the average of squared difference of each value from the mean.
Informações
- Descrição
- FlashCards sobre Understanding Data, criado por Aparna Dhirde em 24-03-2020.
- Criado por
- Aparna Dhirde
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- 9
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