Physical properties are often characterized as intensive and extensive properties. An intensive property does not depend on the size or extent of the system, nor on the amount of matter in the object, while an extensive property shows an additive relationship.
Just as Apple regularly updates its iOS mobile operating system, the company also periodically updates its OS X operating system for its MacBook Pro computers. If you own a MacBook Pro, regularly updating your Apple laptop with the newest operating system is a great way to ensure that your device always has the latest apps, features, and security enhancements.
Use Touch ID on MacBook Pro. With Touch ID on your MacBook Pro, you can quickly unlock your Mac and make purchases using your Apple ID and Apple Pay, all with your fingerprint. Start up your MacBook Pro by opening it or plugging it in. MacBook Pro models introduced in 2016 start up when you open their lids or connect them to power.