PictoBlox QR Codes

What is the main purpose of a QR Code?

• To compress video data

• To store and share data quickly via scanning

• To compress image data

• To display text using graphics

Which of the following can a QR Code contain?

• Images of animals
• URLs, text, contact information

• Video files
• Audio recordings

What's the benefit of flush function on the file?

• It deletes all data from the file.
• It compresses the file to save space.
• It writes data to the file immediately.

• It encrypts the data in the file.

The 'a' stands for ...................... in the opening file function.

• add

• append

• create

• delete

The qr.codedata() function is used to .......................

• validate QR code formats
• decode QR codes into images
• retrieve data inside QR codes

• generate QR codes from text