Operating Systems: Types and Functions (Pr./Eng)

Data am....

Data iS

Data are

Data (information) is

Informations

Information

a piece of information

datums

An operating system is the most important software.

An operating system is not the most important software.

The person runs the computer not OS.

The OS runs the Ozzy, not the computer.

OS doesn't manage the computer's screen.

OS is responsible just for computer frames.

OS is responsible just for computer's memory.

OS manages the computer's memory and processes.

A computer is essentially useful even without an operating system.

A computer is essentially useless without an operating system.

An operating system is useless without any software.

Software is more useful without operating system.

Mobile operating systems, like Android and Windows are specifically optimized for touchscreens and battery efficiency. 

Between computer operating systems are Windows and Linux.

Mobile operating systems, like Android and iOS, are specifically optimized for touchscreens and battery efficiency. 

Linux and Windows are not mobile operating systems.

The OS protects user's data from unauthorized access. 

The OS protects user's computer from unauthorized access. 

The OS also ensures security.

The OS also manages with the help of user's permission.

Modern operating systems are constantly updated

Obsolete operating systems are not constantly updated.

Modern operating systems are constantly updated to search for new cyber threats.

Cyber threats are real and dangerous for OS.

The OS serves as the built while all other digital activities are foundation.

The OS serves as the foundation upon which all other digital activities are built.

Everything excepting OS in the additional one.

OS is the basis of computers' work.

At first set up OS and then buy the computer.

At first buy the computer and the set up OS.

At first set-up OS and then drivers.

At first be assured the OS doesn't work and then uninstall it.