Input and Output Systems

Changes in one part of a system can cause changes in another part of the same or other, connected systems. How is this possible?

• Energy does not flow from larger systems into smaller systems.

• The output of one system can be the input of another.

• A larger system and smaller subsystem can share components.

• Processes in one system can be the inputs of other connected systems.

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How can a model be used to predict the strength and path of a storm?

• Scientists can input specific data about the storm.

• Scientists can set boundaries on the system.

• The model will produce an output based on the input and boundaries.

• Scientists must consider possible limitations of the model.

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A system output is

• something that happens within a system.

• something that goes into a system.

• something that comes out of a system.

• something that is always man-made.

Speakers provide which of the following?

• input

• process

• output

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This is anything that leaves a system. 

• process 

• input 

• output 

• feedback 

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This is anything that enters a system. 

• process 

• inside 

• output 

• input

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A system that has a way of automatically controlling or measuring its output, is called a(n) .....

• subsystem

• open-loop system

• closed-loop system

• input system

What is the primary function of an input device in a computer system?

• To process data

• To store data

• To send data to the computer

• To receive data from the computer

Which of the following is an example of an output device?

• Keyboard

• Mouse

• Monitor

• Scanner

In a scientific experiment, what is the role of the input variable?

• To be measured as the outcome

• To remain constant

• To be manipulated or changed

• To be ignored

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