What exactly are primitives in the context of an operating system? here is the problem i am trying to figure out: \"what are the two main functions of an operating system? \". here is the \"the two main functions of an operating system are managing system resources and providing application programs with a set of primitives that provide higher-level services.\". i can't find an explanation online because i think there are various usages of the same word.

The forerunner to cell phones, pdas, and smartphones was

Describir textbook icon_person mira los dibujos y describe lo que está pasando. usa los verbos de la lista.

Which of the following statements is false? a. a class can directly inherit from class object. b. if the class you're inheriting from declares instance variables as private, the inherited class can access those instance variables directly. c. a class's instance variables are normally declared private to enforce good software engineering. d. it's often much more efficient to create a class by inheriting from a similar class than to create the class by writing every line of code the new class requires.