Question

what are swift, cocoa, and cocoa touch?

Explanation:

Swift is a programming language developed by Apple for iOS, macOS, watchOS, and tvOS development. Cocoa is a collection of object - oriented APIs for macOS development. Cocoa Touch is the API for iOS development, similar to Cocoa but tailored for touch - based devices.

Answer:

Swift is a programming language, Cocoa is a macOS API, and Cocoa Touch is an iOS API.