In the Northern Hemisphere, Which Day Has the Fewest Hours

question 54

Multiple Choice

In the Northern Hemisphere, which day has the fewest hours of daylight?

• A)Summer solstice
• B)Winter solstice
• C)Vernal equinox
• D)Autumnal equinox
• E)Spring solstice

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Definitions:

Backplane

A printed circuit board, located in the back of a chassis, that contains a data bus, power bus, and mating connectors for modules to be inserted in the chassis.

Field Input Devices

Equipment or sensors that capture and transmit data from the external environment into a processing system for analysis and action.

Output Devices

Output devices are hardware components used to communicate the results of data processing carried out by a computer system to the user or another machine, including printers, monitors, and speakers.

Ladder Logic

A programming methodology utilizing symbols resembling electrical relay diagrams to control industrial and mechanical processes.