Q65. Which of the following is an appropriate characteristic of the QR code?
a) The code can contain only single-byte alphanumeric characters and symbols.
b) The amount of information that can be stored is equivalent to that of a barcode.
c) The code can be read from any direction including the top, bottom, left, and right.
d) The code has a two-dimensional structure in which three barcode layers are stacked.