Question

explain different types of switches and scanning and provide examples of when they can be used

My major is rehabilitation services. the class is assistuve technology. the book is assistive technology for people with disabilities

Answer 1

1) A Switch is a device which is designed to interrupt the current flow in a circuit.. In other words it can make & break an electrical circuit..

Different Types of switches-

• 1. Electrical Switches- These are used to perform all the electrical function..

List of different electrical switches-

• Wall switches- It is the most common switch that is used in residential & commercial building for lighting Contro..
• Modular Touch Switches- These switches are remote of IR controll & a fearher touch pannel..
• Push button switches- It is prominently used for industrial control & application..
• Toggle Switches - These are used extensively in electronic panels & instrumentation..
• Dimmer Switch - It helps in controlling the electricity flow across various lighting sources..  

• 2. Mechanical Switch - These require physical or manual contact with switch for operation.

Diff Types of Mechanical switches-

• Single pole single throw ( SPST)
• Single pole double throw ( SPDT)
• Double pole single throw ( DPST)
• Double pole Double throw ( DPDT)
• Two poles six throw ( 2P6T)

2) Scanning Methods- Scanning refers to the process of converting tangible documents,,for ex- receipts,forms,letters,contracts & other documents into digital copy or electronic scripts which can be effortslessly attached as a part of archive database or may be added to a central database..

Diff types of Scanning-

• MRI
• X-ray
• CT Scan
• USG etc..

These are used in the medical field for any type of diagnosis purpose..