Capturing, Selecting, Managing & Exchanging Data (OCR A-Level Computer Science): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
Which fields are typical examples used in forms to ensure consistent data input?
Which fields are typical examples used in forms to ensure consistent data input?
Name, date, and email
What is a limitation of Optical Character Recognition (OCR) software?
What is a limitation of Optical Character Recognition (OCR) software?
It may struggle with poor-quality images
What type of form does Optical Mark Recognition (OMR) typically read?
What type of form does Optical Mark Recognition (OMR) typically read?
Multiple-choice answer sheets
In which type of application are sensors widely used to automatically gather real-time data?
In which type of application are sensors widely used to automatically gather real-time data?
Internet of Things (IoT)
Which is a common use of data mining?
Which is a common use of data mining?
Customer segmentation
How does SQL compare to Query By Example (QBE)?
How does SQL compare to Query By Example (QBE)?
SQL allows more flexibility than QBE
What is the purpose of using Boolean expressions like AND, OR, NOT in queries?
What is the purpose of using Boolean expressions like AND, OR, NOT in queries?
To refine search results
What is the main benefit of indexing in a database?
What is the main benefit of indexing in a database?
Faster querying and retrieval
What is a drawback of using indexing in databases?
What is a drawback of using indexing in databases?
It slows down data modifications
What does concatenation do in data manipulation?
What does concatenation do in data manipulation?
Joins strings together
What is a limitation of CSV format for data exchange?
What is a limitation of CSV format for data exchange?
It lacks data validation
Where is JSON commonly used for data transfer?
Where is JSON commonly used for data transfer?
Web APIs