The answer is 2, but this is something you should know
Answer
program that, after being initially loaded into the computer by a boot program, manages all of the other application programs in a computer. The application programs make use of the operating system by making requests for services through a defined application program interface (API). In addition, users can interact directly with the operating system through a user interface such as a command line or a graphical user interface
Answer:
Most careers or professions need computer science
Explanation:
As humanity is improving technological wise most jobs will be replaced and other jobs would come into play and in order for individuals to become employed in jobs that will be available in the future to come they will have to have a degree in computer science or know how to operate computers.
Answer:
its not letting me Write out the code so here are screenshots
Explanation:
