Basics of Data
Collecting Data
Safe Data
100

What is the binary representation of the decimal number 10?

1010

100

What is a method of collecting large-scale data from user interactions on websites?

Tracking

100

What is the act of converting data into a coded form to prevent unauthorized access?

Encryption

200

What type of data includes numbers, text, and images encoded into bits?

Digital Data

200

What type of data cannot be measured with numbers and includes things like opinions and preferences?

Qualitative data

200

When websites use your data without asking, what problem does this represent?


Privacy

300

What kind of compression reduces file size but loses some data?

Lossy Compression

300

What is data collected from different sources combined into one set called?

Aggregated data

300

What type of software helps protect your computer from viruses and hackers?


Antivirus Software?


400

What is the standard character encoding system that represents letters and symbols as 7-bit binary values?

ASCII

400

What term describes errors that arise from collecting data in a way that favors certain outcomes?

Bias

400

What practice hides some data (like replacing a name with a random ID) to protect identities?

Data anonymization