The Dependency Ratio Was ________ in 1950 and Had Shrunk

question 82

Multiple Choice

The dependency ratio was ________ in 1950 and had shrunk to ________ by 2000.

• A) 22:1; 8:1
• B) 16:1; 4:1
• C) 14:1; 6:1
• D) 48:1; 12:1

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Definitions:

Output Coil

In programmable logic controllers (PLCs), an output coil represents a device or actuator to be controlled by the PLC's program.

TON Instruction

A timer instruction used in programming that starts timing when the input condition becomes true and continues until the set time has elapsed.

Accumulated Value

Refers to a value that increases over time, often resulting from the aggregation of multiple increments in a process or calculation.