1.1 – Operating System Basics

Question 1

Operating Systems

Answer 1

• OS is required to get any functionality out of a computer system
• There are many types of OS, each with own features & functions
  o Make HD work
  o Utilize all RAM in machine
  o Utilize speed of your processor
  o Install all apps you want to install

Question 2

Common Functions

Answer 2

• Interact with the system
• Drivers to communicate with HD
• Apps to provide additional functionality
• File management features = copy, move, delete files
• Network Connectivity = to connect to local resources & internet
• System security to prevent access from unauthorized users

Question 3

Drivers

Answer 3

tells OS how to use hardware

EX: video card – install driver so video card can function

Question 4

OS Types

Closed Source OS

Answer 4

are only available from a single organization [Windows]

Question 5

OS Types

Open Source OS

Answer 5

can be distributed by many different organizations & code modified freely

o Download source code & change source code

Question 6

Microsoft Windows

Answer 6

Closed Source

Desktop / Laptop

Question 7

Apple macOS

Answer 7

Closed Source

Desktop / Laptop

Question 8

Linux

Answer 8

Open Source

Desktop / Laptop

Question 9

Google Chrome OS

Answer 9

Closed Source

Desktop / Laptop

Question 10

Google Android

Answer 10

Open Source

Mobile Device

Question 11

Apple iOS / iPad OS

Answer 11

Closed Source

Mobile Device

Question 12

User Interface

Answer 12

control OS with CLI & GUI

Question 13

CLI = Command Line Interface

Answer 13

o This kind of OS is controlled by typing commands into a prompt

o Most common command line OS = DOS & CISCO’s IOS

Question 14

GUI = Graphical User Interface

Answer 14

o Uses graphics

o Provides the icons we click on & mouse pointer that lets us click on them

o All Windows have GUI that we use to interact with it