An Operating System (OS)is

question 10

Multiple Choice

An operating system (OS) is:

• A)a set of programs for controlling and managing computer hardware and software.
• B)a computer and all the software for managing network resources and offering services to a network.
• C)is a collection of disk drives used for fault tolerance, typically in large network systems.
• D)the main circuit board containing connectors for attaching additional boards.

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Definitions:

Ozone Depletion Potential (ODP)

Rating of atmospheric gases according to their ability to damage the ozone layer. For instance, CFCs would be rated at a higher ODP than HCFCs.

Refrigerants

Substances used in heating, ventilation, air conditioning, and refrigeration (HVAC/R) systems, responsible for absorbing and removing heat to facilitate cooling or refrigeration.

Cooling Capacity

The amount of heat energy that a cooling system (such as an air conditioner or refrigerator) can remove from a specific area within a certain time period.

Refrigerated Van

A refrigerated van is a vehicle designed with insulation and a cooling system to transport perishable goods at controlled temperatures.