Itqualityassurance
What is a filter in Web design?
Filters provide a set of controls to reduce items in a collection based on attributes the user is interested in (e.g., filtering items by creation date). Filters can provide the following functionality: A list of interesting attributes common to items in a collection, and possible values to filter by.
What are the two types of filter designs?
Passive and Active Filters
Filters can be placed in one of two categories: passive or active. Passive filters include only passive components—resistors, capacitors, and inductors. In contrast, active filters use active components, such as op-amps, in addition to resistors and capacitors, but not inductors.
