1.1 Compare and contrast common operating system types and their purposes.

Question 1

1.1

Difference between?

32-bit vs. 64-bit Processor and OS

Answer 1

• 64-bit processors can store 17 Billion GB values
• 64-bit apps: Apps in a 64-bit Windows OS are stored in C:\Program Files

VS.

• 32 bit processors can store only 4 GB values
• 32-bit Windows OS are stored in C:\Program Files (x86)

Question 2

1.1-

RAM limitations

Answer 2

• RAM/ Operating system technologies • 32-bit vs. 64-bit and is Processor specific
• 32-bit max of 4 GB RAM
• 64-bit max of 17 billion GB
• The OS has a maximum supported value of RAM

Question 3

1.1

Software compatibility

Answer 3

• Hardware drivers ARE specific to the OS version MUST MATCH OS V.

• 32-bit (x86), 64-bit (x64)
• 32-bit OS cannot run 64-bit apps
• “Windows OS 64-bit OS” can run BOTH 32-bit apps and 64-bit Apps
• 32-bit apps: \Program Files (x86) • 64-bit apps: \Program Files

Question 4

1.1

Backstory of Microsoft Windows

Answer 4

Microsoft Windows • Major market presence

• Many different versions • Windows 10, Windows Server 2016
• Advantages • Large industry support • Broad selection of OS options • Wide variety of software support
• Disadvantages • Large install base provides a big target for security exploitation
• Large hardware support can create challenging integration exercises

Question 5

1. 1

- Backstory of Apple Macintosh OS

Answer 5

Apple macOS • macOS • APPLE only runs on APPLE HARDWARE. Desktop OS running on Apple hardware •

Advantages • Easy to use • Extremely compatible • Relatively fewer security concerns •

Disadvantages • Requires Apple hardware • Less industry support than the PC platform • Higher initial hardware cost

Question 6

1.1

Backstory of - Linux

Answer 6

Linux • Free Unix-compatible software system • Unix-like, but not Unix • Many (many) different distributions • Ubuntu, Debian, Red Hat / Fedora

• Advantages • Cost. Free! • Works on wide variety of hardware • Passionate and active user community
• Disadvantages • Limited driver support, especially with laptops • Limited support options

Question 7

1.1

Microsoft Windows on Mobile devices

Answer 7

Windows on a mobile device • Microsoft Windows 10 • Fully-featured tablets

• Many different manufacturers • Touchscreen computer • Keyboards • Pen stylus • Windows Mobile
• No longer in active development • No support after December 2019

Question 8

1. 1

- Android on Mobile devices

Answer 8

Google Android • Open Handset Alliance • Open-source OS, based on Linux

• Supported on many different manufacturer’s devices
• Android Apps
• Apps are developed on Windows, Mac OS X, and Linux with the Android SDK
• Apps available from Google Play • Apps also available from third-party site

Question 9

1. 1

- iOS on Mobile devices

Answer 9

Apple iOS • Apple iPhone and Apple iPad OS • Based on Unix

• Closed-source - No access to source code • Exclusive to Apple products • iOS Apps
• Apps are developed with iOS SDK on Mac OS X
• Apps must be approved by Apple before release
• Apps are available to users in the Apple App Store

Question 10

1.1

Chrome OS on Mobile devices

Answer 10

Chrome OS • Google’s operating system

• Based on the Linux kernel
• Centers around Chrome web browser
• Most apps are web-based
• Many different manufacturers - Relatively less expensive
• Relies on the cloud - connect to the Internet

Question 11

1.1

What are Vendor-specific limitations? SW/EOL/sharing data between different OS?

Answer 11

• End-of-life • Different companies set their own EOL policies
• Updating • iOS, Android, and Windows 10 check and prompt for updates
• Chrome OS will update automatically • Compatibility between operating systems
• Some movies and music can be shared • Almost no direct application compatibility •

Fortunately, many apps have been built to run on different OSes

• Some data files can be moved across systems • Web-based apps have potential

Question 12

1.1

(EOL) End-of-life

Answer 12

Represents a point at which the software/hardware is no longer going to receive support from the manufacturer

Security exploits become an issue now, so best to retire software and hardware

Question 13

1.1

Update limitations • Where I get my updates from?

• Forecast the impact of the updates on my users?

Answer 13

Understanding how your system might be affected by updates may lead to performing necessary backups/snapshots in order to provide a seamless service to customers/employees/employers

• Updates come from: i.e. manufacturers, licensed developers, websites
• Is this going to hurt my system if I update with the next release?

Question 14

1.1

Are there Compatibility concerns between operating systems?

Answer 14

• There ARE Compatibility between operating systems
• Some movies and music can be shared
• Almost no direct application compatibility
• Fortunately, many apps have been built to run on different OSes

Some data files can be moved across systems • Web-based apps have potential to work on multiple OS