Understanding Systems

What is a system composed of?

• Only inputs

• Only outputs

• Parts or components working together

• Only processes

What are the main stages of a system?

• Inputs, processes, and outputs

• Inputs and outputs only

• Processes and outputs only

• Inputs and processes only

What happens in an open loop system when the desired output is reached?

• The system stops automatically

• The system continues until manually stopped

• The system adjusts itself

• The system reverses

What is the input in the open loop system example?

• Heat

• Heater on

• Switch

• Motion sensor

What is a subsystem?

• A single component

• A part of a system with specific tasks

• An unrelated system

• A complete system

What is the main disadvantage of an open loop system?

• It is too complex

• It cannot make decisions

• It is too expensive

• It is too slow

What is the function of a switch in a system?

• To provide light

• To act as an input component

• To generate heat

• To measure pressure

What type of switch is used for most doorbell systems?

• Toggle switch

• Push to make (PTM) switch

• Push to break (PTB) switch

• Pressure switch

Which component is used in alarm systems and creates a mid- to high-pitched buzz?

• Speaker

• Light emitting diode (LED)

• Buzzer

• Lamp

What is the typical appearance of a light emitting diode (LED)?

• Large and square

• Available in a variety of sizes, shapes, and colors

• Always round and red

• Only available in blue