What Uses Curly Braces Containing a Number That Indicates the Desired

question 20

Multiple Choice

What uses curly braces containing a number that indicates the desired position for a variable in a list that follows a string used for formatting purposes?

• A) format string
• B) whitespace
• C) namespace
• D) placeholder

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Definitions:

PB2

Often refers to a specific pin, connector, or component in electronic devices or circuit boards, but without more context, its specific meaning can vary widely.

PLC

Programmable Logic Controller, a digital computer used for automation of industrial processes, such as control of machinery or factory assembly lines.

Timing Circuit

An electronic circuit designed to produce specific time delays or to trigger events at precise intervals.

Cascading

In the programming of timers and counters, a technique used to extend the timing or counting range beyond what would normally be available. This technique involves the driving of one timer or counter instruction from the output of another, similar instruction.