COMPUTER FUNDAMENTALS

COMPUTER ARCHITECTURE

INPUTOUTPUT DEVICES

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

QR code is made up of a matrix of filled in dark squares on a light background. What is QR stands for?

A	Quick Role
B	Quick Response
C	Quick Runtime
D	Quick Registry

Explanation:

Detailed explanation-1: -QR Code, in full Quick Response Code, a type of bar code that consists of a printed square pattern of small black and white squares that encode data which can be scanned into a computer system.

Detailed explanation-2: -QR codes are composed of several parts: data, position markers, quiet zone and optional logos. The data in a QR code is a series of dots in a square grid. Each dot represents a one and each blank a zero in binary code, and the patterns encode sets of numbers, letters or both, including URLs.

Detailed explanation-3: -A QR code (quick response code) is a type of two dimensional (2D) bar code that is used to provide easy access to online information through the digital camera on a smartphone or tablet.

There is 1 question to complete.