Barcode and QR Code Quiz

What is a barcode primarily used for?

• Creating digital art

• Identifying stock items

• Transmitting audio signals

• Storing large amounts of data

How many characters can a QR code hold?

• 30 characters

• 4296 characters

• 100 characters

• 256 characters

What do the guard bars in a barcode do?

• Enhance the barcode's color

• Indicate the price of an item

• Separate the left and right sides of the barcode

• Separate different products

Which of the following is an advantage of using barcodes for management?

• Slower sales information

• Increased manual price checking

• Automatic stock control

• Higher costs for pricing items

What is the main function of the three large squares in a QR code?

• To store data

• For alignment purposes

• To indicate the price

• To enhance readability

What is a disadvantage of QR codes compared to traditional barcodes?

• They can hold more information

• They are easier to read

• They can transmit malicious codes

• They require expensive scanners

What happens when a barcode is scanned at a checkout?

• The item is automatically priced

• The stock database is updated

• The barcode is printed again

• The customer is charged immediately

What is the primary use of QR codes in advertising?

• To provide automatic access to websites

• To store customer information

• To create digital coupons

• To track inventory

Which of the following devices is NOT an input/output device at a checkout?

• Speaker

• Television

• Keypad

• Printer

What is the maximum number of digits a traditional barcode can hold?

• 100 digits

• 50 digits

• 10 digits

• 30 digits