1.Since Ubuntu is open sourced, so anyone can edit their own version. This can be then used for small devices like drones.

2. The minimum requirements are:

512 MB RAM  
700 MHz processor
5 GB of hard-drive space
CD/DVD drive or USB Port

3. Since it has low requirements, it is used by people for mainly coding.

4.Most of the soft-wares in Ubuntu are pre-installed to enhance user experience and is free to download.

Windows 8 operating requirements 
Processor - 1 gigahertz or faster

Ram – 1 GB (32 bit) 2GN (64 bit)

Hard Disc Space – 16GB (32 bit) 20GB (64 bit)

Graphics Card – Microsoft DirectX 9 graphics device 

Windows 8 Features
Better loading time. Compared to Windows 7, Windows 8 has a much improved boot up time. When you close down your PC your PC the last information you was using is remembered, this therefore speeds up the boot up time.
Unique search function. When you press the Windows key you are able to instantly type if you want to locate a specific file.
The Unique Layout. Windows 8 uses a tile based system. This makes everything easy to see and easy to use when using any touch screen device.
Windows Live Syncing. Users are able to log in on any Windows 8 PC with a "live ID". This allows you to use your personal setting wherever you are. 

·         Kali Linux required a minimum of 10 GB hard disk space for installation.

·         A minimum of 512MB Ram for i386 and amd64 architectures.

·         bootable CD-DVD Drive or a USB stick.

 

·         Kali Linux is pre-installed with over 300 penetration-testing programs

·         Includes a variety of tool port scanners, packet sniffers, password crackers etc.

·         Includes a virtual machine

·         Supports 32 bit and 64 bit

·         Backtrack 5 was its predecessor

·         A mobile version called Net hunter is being developed 

by Dec and Tom

The latest update to the Xbox one’s unique flavour of windows 10 include an AI “digital agent” not dissimilar to Apple’s “Siri”.

Allows the user to have multiple applications open and running at the same time. The screen becomes split ad can be navigated using the controller.

The built in  HD game recorder allows any moments to be recorded as well as livestreams to be broadcast along with sound .

 �Specs required:
Optical Drive 
Blu-Ray/DVD
Game DVR
RAM | 8GB  
Flash Memory | 8GB Flash Memory
CPU | 8 Core AMD custom CPU

GPU  | Clock Speed: 853 MHz(originally 800 MHz)
Storage | 500 GB (5400 rpm) Hard Drive non-replaceable
External Hard Drive support available

 

·         

The lock screen has changed so the notifications don’t just disappear when you touch the screen.

iOS 10 is faster than iOS9.

Photos have been improved they now show up on maps.

iMessage has been improved with additions to emoji’s .

Siri has been improved.

Information is safer, you can now be aware of spam calls.

There are lots of bugs. i��Q�� 

·         IOS 10 has a lot more range of emoji’s to choose from. 

·         Invisible ink. Send a message or photo that remains hidden, and then simply swipe to reveal it.”

·         IOS 10 uses on-device intelligence to identify the people, objects and scenes in Photos, and power Quick Type suggestions. 

·          The new home app lets users control their devices from anywhere using their apple devices. 

 

iOS 10 will be a free update for the following devices:

iPhone 6s Plus

iPhone 6/6s

iPhone 6 Plus

iPhone SE

iPhone 5s

iPhone 5c

iPhone 5

iPad Air 2

iPad Air

iPad 4th gen

iPad mini 4

iPad mini 3

iPad mini 2

iPod Touch 6th gen