Question $31(1$ point$)$

provide$($s$)$ an interface to the services provided by an operating

system.

Communication

Simulators

Shared memory

System calls

Question $32(1$ point$)$

Which of the following statements is incorrect?

An operating system manages system resources.

Operating systems must provide both protection and security.

An operating system provides an environment for the execution of programs.

All operating systems must be run on physical hardware