Data Types Quiz

What are the two types of data that learners will gain knowledge about in this section?

• Binary and decimal data

• Analogue and digital data

• Primary and secondary data

• Quantitative and qualitative data

Which aspect of data is covered in this section apart from the types of data?

• Analyzing and interpreting data

• Collecting and organizing data

• Measuring and storing data

• Encrypting and securing data

What is analogue data represented by in a physical form?

• Grooves in a vinyl record

• Binary digits

• Digital files

• Pixels on a screen

Which of the following is a characteristic of analogue data?

Evaluate responses using AI:

OFF

Before the advent of computers, how was sound primarily stored?

Evaluate responses using AI:

OFF

What process is used to convert analogue sound into digital data?

What does digital data use to represent information?

Evaluate responses using AI:

OFF

What does the blue line in the graph represent in the context of analogue audio sampling?

• The digital samples

• The analogue sound wave

• The sampling frequency

• The compression of audio data

What is the typical sampling frequency used in most audio CDs, as mentioned in the text?

• 22,000 times per second

• 44,000 times per second

• 48,000 times per second

• 96,000 times per second

According to the text, what is necessary when audio files are large and need to be managed more efficiently?

• Increase the sampling frequency

• Convert analogue data to digital data

• Compress the audio files

• Use analogue devices