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)

[Sci-Tech] rMQR Code (Rectangular Micro QR Code): new invention by the Japanese
  • 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