One of the Most Common 2D Barcodes, the ____ Code

question 57

Multiple Choice

One of the most common 2D barcodes, the ____ code represents data with a matrix of small squares.

• A) ISBN
• B) QR
• C) Code 39
• D) UPC

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Definitions:

Function Blocks

In industrial automation, function blocks are pre-defined program instructions used to perform specific logical, arithmetic, or control functions in programmable controllers.

Non-executable Code

Parts of software that do not contain instructions executable by the CPU but may include data, resources, or scripts.

Solid Line

In diagrams or schematics, a solid line typically represents a physical connection or a direct relationship between components.

Data Types

Categorizations of data based on the kind of values they hold and how those values are stored and processed, such as integer, float, or string.