## What is a QR Code?

• QR code stands for Quick Response code, and it is a two-dimensional barcode that can be scanned using a smartphone or QR code reader.
• QR codes can store a variety of information, including website URLs, contact information, and even entire documents.

## Comparison of QR Code vs Barcode

QR Code Barcode
Two-dimensional One-dimensional
Can store more information Can store less information
Can be scanned with a smartphone Requires a specialized scanner
Can be scanned at a faster rate Scanned at a slower rate

## rMQR (Rectangular Micro QR Code)

• By JAPANESE ENGINEER Masahiro Hara, who designed the original QR code.
• rMQR code is a new type of rectangular QR code.
• stores upto 361 numeric characters and 219 alpha numeric.
• can be printed in narrow spaces.
• has same scanning speed are normal QR code.
• The rMQR is expected to replace barcodes as it can be printed on corners of slips or tickets.

## Practice Mock Question (MCQ)

Q1) Find correct statement about rMQR ?

1. It is round shaped
2. It is developed by American scientists
3. It can store numbers but not alphabets.

Answer Codes

• A) only 1 and 2
• B) only 1 and 3
• C) only 2 and 3
• D) All three

Q2) Find correct pairs of abbreviations

1. QR code stands for Quick Response code,
2. rMQR stands for Rounded Mega QR Code.
Answer Codes:
• A) only 1
• B) only 2
• C) both 1 and 2
• D) neither 1 nor 2

Q3) Which of the following is true about a QR code compared to a barcode?

• a) QR code is one-dimensional and can store less information
• b) QR code is two-dimensional and can store more information
• c) Barcode is two-dimensional and can store more information
• d) Barcode is one-dimensional and can store less information

Q4) Which of the following is true about the scanning speed of QR code and barcode?

• a) QR code is scanned at a faster rate than barcode
• b) Barcode is scanned at a faster rate than QR code
• c) QR code and barcode have the same scanning speed
• d) It depends on the type of scanner being used