IC3 Computing Fundamentals

Course 01 - Operating System

Fundamentals

Slide 1

• Operating System Fundamentals

• Computer and Network Terminology

• Working with Software OS

• Troubleshooting

Series Outline

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Slide 2

• What is an Operating System?

• Configuring the Operating System

• What is an Application?

• How Hardware and Software Work Together

• Using Control Panel

Course Overview

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Slide 3

• How Applications and Hardware Work with an OS

• Common OS Features

• Directory Infrastructure

• Updates and Patches

Topic 1: What is an Operating System?

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Slide 4

• The old days of the CLI

• What the modern OS supplied

• Drivers and hardware

• Common interface

• File extensions

How Applications and Hardware Work with an OS

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Slide 5

• Originally we had the CLI for use of applications and configuration

– Navigation was tricky

– Purchase price of hardware and software

– The new idea of the OS

The Old Days of the CLI

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Slide 6

• Moving to the GUI and a consistent look/feel

• Writing drivers for the OS

• Simplifying setup of hardware

What the Modern OS Supplied

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Slide 7

• Start Up and Shut Down

• Lock, Hibernate, and Lock

• Log On, Log Off

• Different Operating Systems

Common OS Features

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Slide 8

• The container

• Move, Copy, and Cut

• Subfolders

• Search features

• Encrypting files with NTFS

• Compression

Directory Infrastructure

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Slide 9

• Communication to the OS

• Software communicating to the OS

– What a driver does

– Security issues

Drivers and Hardware

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Slide 10

• The idea of Windows

• The GUI

• The CLI

Common Interface

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Slide 11

• The GUI continued

• Navigation through Windows

– Control Panel

– Security

• The web browser

Common Interface

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Slide 12

• Re-visiting the Directory

– Using Windows Explorer

– Search features

– View options

– Hidden files/folders

Directory Infrastructure

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Slide 13

• Updates and the release notes

• Security patches

– Are they important?

• Hotfixes

Updates and Patches

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Slide 14

• Visual Options

• Hardware Pointers and Input

• Date/Time

• Languages

• Accessibility Options

Topic 2: Configuring the Operating System

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Slide 15

• The background

• Themes for Windows

• Font styles

• Desktop background

Visual Options

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Slide 16

• Windows themes/colors

• Resolution

The Background

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Slide 17

• Working with the Operating System

• Working with Software

Topic 3: What is an Application?

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Slide 18

• Windows access

• GUI interface

– Wizards

Working with the Operating System

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Slide 19

• The GUI

• User input

– Keyboard

– Mouse

– Joystick

– Microphone

– Scanners

• Understanding the questions

– Wizards trying to install other applications

Working with the Software

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Slide 20

• User accounts and permissions

– Group Policy

– Read/Write

– Administrative vs. Standard user rights

– Install/Uninstall applications

– File and Directory permissions

Security

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Slide 21

• Software

• Hardware

• Visual Devices

• Date/Time

• Power

Topic 4: Using Control Panel

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Slide 22

• Add/Delete programs

Software

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Slide 23

• CPUs

• NICs

• Memory

• Hard Drives

– How they work

• Printers

– Ink jet

– Laser

– Dot matrix

Hardware

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Slide 24

• Monitors

– Resolution

• Remote Monitors

– Options

Visual Devices

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Slide 25

• Setting the Date/Time

– NTP

• Importance with Encryption

Date/Time

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Slide 26

• What is a Server

– File Server

– Print Server

– Mail Server

– Web Server

• Clients

– Desktops

– Laptops

– BYOD

Servers

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Review Questions:

1. What does a user interact with to produce data or gather information?

A. Applications

B. Operating system

C. Drivers

D. Hardware

2. True or False: An operating system can have more than one registered user.

A. True

B. False

3. True or False: When you log out as a user, all of your applications will continue to

run.

A. True

B. False

4. What do you need to do on occasion to keep an operating system up to date and

protected?

A. Install AV software

B. Install anti-spyware software

C. Install updates

D. Upgrade the operating system

5. When you walk away from your computer, for security reasons, you should do

which of the following?

A. Lock the computer

B. Turn off the monitor

C. Turn off the computer

D. Unplug the monitor

E. A and C

F. B and D

G. A, B and D

Answer Key:

1. A

An application is the way in which a user interacts with the computer for data or

information, and it's the application that works with the OS.

2. A

True. There can be more than one configured user with an operating system.

3. B

False. Once logged out, all of the applications will end; this is different than if a

user locks their account.

4. C

Updating the operating system offers fixes to bugs, as well as new features.

5. E

By either locking or turning off the computer, you will force someone who walks

over to it to supply a user name and password to get back in.