Quiz on QR Codes and Python

What are QR codes primarily used for?

• Storing a wide range of information

• Storing images

• Creating animations

• Playing videos

Which library is used in Python to create QR codes?

• qrcode

• PIL

• numpy

• matplotlib

What is a benefit of using QR codes?

• They can only store text

• They require special hardware

• They provide instant access to digital information

• They are expensive to create

How can dynamic QR codes be updated?

• By adding more data to the existing code

• By changing the encoded information without creating a new code

• By using a different color scheme

• By generating a new QR code each time

What does the compact design of a QR code allow?

• Higher resolution images

• Faster internet connection

• Easier printing on paper

• More data storage in a small space

What is one way to customize a QR code?

• Change the size of the code

• Add logos or images

• Make it invisible

• Use only black and white colors

What is the first step in creating a QR code using Python?

• Save the QR code as an image

• Install necessary libraries

• Add data to the QR code

• Scan the QR code

What type of data can QR codes store?

• Only URLs

• Only text

• Only images

• URLs, contact information, and event details

What is one application of QR codes in marketing?

• Gathering user engagement analytics

• Creating video games

• Storing large files

• Printing brochures

What does omnidirectional scanning mean for QR codes?

• They require a special scanner

• They can be scanned from any angle

• They are only for smartphones

• They can only be scanned from one angle