What is a system?

What is a system?

• A lamp that has been turned on.

• A pile of paperclips.

• A Hairdryer

• A Crayon

Is a pile of paperclips sitting on a desk an entity?

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What is a Sub-system?

• A system that exists on its own, but is also an entity within another, larger system.

• A system that stands alone.

• A system that works together to form a function.

• Something that exists as a single, separate object.

What does essential mean?

• You need it at times.

• Not necessary

• Absolutely necessary

What does non-essential mean?

• Absolutely necessary

• A want

• Not necessary

Which one of these is a sub-system of a car?

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Which one is a sub-system of a refrigerator?

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