POP QUIZ OS

The basic function of Operating System

• Easy to isolate error and to debug

• To allow the system to enter the deadlock state then recover

• Easy to isolate error and to debug

• To ensure all the users’ tasks can be done properly

The purpose of system call in operating system

• Allow user to interact with electronic devices using images rather than text commands

• Allow putting jobs in a buffer

• Program can request a service from an operating system’s kernel

• Accept input and provide output by generating voice prompt

To access the services of the operating system, the interface is provided by the ................

• API

• system call

• library

• interrupt

Select the scheduling algorithm which executes processes based on the arrival time, where the first process arrived is executed first

• Shortest Job First (SJF)

• First Come First Serve (FCFS)

• Round Robin (RR)

• Priority algorithm

........................ scheduling algorithm was specially design for time-sharing system. Preemption is added to switch between processes.

• First Come First Serve (FCFS)

• Shortest Job First (SJF)

• Round Robin (RR)

• Priority algorithm

Choose the examples of open-source operating system.

• Windows XP

• Ubuntu

• Android

• MacOS

Which Algoritm is Non-preemptive?

• FCFS

• Priority Schedulling

• Round-Robin (RR)

• Shortest Job First (SJF)

"new, ready, waiting, terminate" refers to what?

• Process State

• Program Counter

• Register

• Accounting Information

Which of the following are examples of Types of System Calls?

• Process Control

• File Management

• Communications

• Digitalization

In the aspect of OS Design and Implementation, what should be its System Goals?

• determine how to do something, policies decide what will be done

• OS should be convenient to use, easy to learn, reliable, safe, and fast

• OS should be easy to design, implement and maintain, as well as flexible

• usually a mix of languages