All Swift classes must inherit from which root class?

Not Required NSObject NSRootObject @ObjC

The most basic of expressions in Swift are called ____ expressions.

Favorite Main Primary Control

How many bits are used to store an Int?

It depends on the device 32 64 128

A category can be used to override other methods in the class, but it's not considered good programming practice.

TRUE FALSE May be None of Them

A ____ in Swift signifies the structure of a value or composite value.

Pattern Block Declaration Formation