Understanding Data — Practice Quiz
Jharkhand Board · Class 12 · Computer Science
Try a 4-question quiz on Understanding Data for Jharkhand Board Class 12 Computer Science: tap an answer to check it and see why.
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Quick Quiz: Understanding Data
0/4Tap an answer to check it instantly. No sign-up needed for these 4.
What is the singular form of the word 'data'?
What is metadata?
The mean of the values 10, 20, 30, 40, 50 is:
In the dataset [5, 8, 8, 12, 15], what is the mode?
Sample Questions
Which of the following are examples of structured data?
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Student marks stored in a spreadsheet, Bank transaction records in a table, Inventory data in rows and columns
Structured data is organized in a well-defined format, usually in rows and columns. Student marks, bank records, and inventory data follow this structure. Video files and emails are unstructured data.
Which storage devices can be used for data storage?
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Hard Disk Drive (HDD), Solid State Drive (SSD), Pen Drive, CD/DVD
HDD, SSD, Pen Drive, and CD/DVD are all storage devices that can store data permanently. A monitor is an output device, not a storage device.
Data processing converts raw data into information.
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True
Data processing is the method of converting raw data into meaningful information through various operations like sorting, calculating, and analyzing.
Which of the following are characteristics of unstructured data?
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No fixed format, Not organized in rows and columns, Examples include videos and emails
Unstructured data has no fixed format, is not organized in traditional rows and columns, and includes multimedia content like videos and text documents. It does not have a predefined structure.
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