Do you know what an operating system is?

Def. operating system is a vital component of the system software in a computer system.

Acts as an intermediary between programs and the computer hardware.

Operating systems can be found on almost any device that contains a computer—from cellular phones and video game consoles to supercomputers and web servers.

Examples:

• Mac OS X: it is a series of Unix-based graphical interface operating systems developed, marketed, and sold by Apple Inc. It is designed to run exclusively on Mac computers.OS X is based upon the Mach kernel.

• Windows 7 and 8: this version is designed for use on PCs, including desktops in homes and offices, laptops, tablet PCs, netbooks and media center.

• iOS: it is a mobile operating system developed and distributed by Apple Inc.It is based on the concept of direct manipulation, using multi-touch gestures.

• Android: it is a  operating system designed primarily for touchscreen mobile 

• LINUX: it is a computer operating system assembled under the model of free and open source software development and distribution.

• UNIX: it is a multitasking, multi-user computer operating system. UNIX was first licensed to an outside institution .

TYPES OF OPERANTING SYSTEMS:

• Real-time

It is a multitasking operating system that aims at executing real-time applications. The main objective of real-time operating systems is their quick and predictable response to events. 

• Multi-user

It is system that the users use to access a computer system at the same time.This operating systems have only one user but may allow multiple programs to run at the same time.

• Multi-tasking vs. single-tasking

This system allows more than one program to be running at a time. A single-tasking system has only one running program. Multi-tasking can be of two types: pre-emptive and co-operative,the operating system slices the CPU time and dedicates one slot to each of the programs. 

• Distributed

It manages a group of independent computers and makes them appear to be a single computer. 

• Embedded

Embedded operating systems are designed to be used in embedded computer systems. They are designed to operate on small machines like PDAs with less autonomy. They are able to operate with a limited number of resources. They are very compact.

Here is a link of a video about operanting systems: 

http://www.youtube.com/watch?v=MzVGL

Do you know what an operating system is?

Def.The operating system is a vital component of the system software in a computer system.

Acts as an intermediary between programs and the computer hardware.

Operating systems can be found on almost any device that contains a computer—from cellular phones and video game consoles to supercomputers and web servers.

Examples:

• Mac OS X: it is a series of Unix-based graphical interface operating systems developed, marketed, and sold by Apple Inc. It is designed to run exclusively on Mac computers.OS X is based upon the Mach kernel.

• Windows 7 and 8: this version is designed for use on PCs, including desktops in homes and offices, laptops, tablet PCs, netbooks and media center.

• iOS: it is a mobile operating system developed and distributed by Apple Inc.It is based on the concept of direct manipulation, using multi-touch gestures.

• Android: it is a  operating system designed primarily for touchscreen mobile 

• LINUX: it is a computer operating system assembled under the model of free and open source software development and distribution.

• UNIX: it is a multitasking, multi-user computer operating system. UNIX was first licensed to an outside institution .

TYPES OF OPERATING SYSTEMS:

• Real-time

It is a multitasking operating system that aims at executing real-time applications. The main objective of real-time operating systems is their quick and predictable response to events. 

• Multi-user

It is system that the users use to access a computer system at the same time.This operating systems have only one user but may allow multiple programs to run at the same time.

• Multi-tasking vs. single-tasking

This system allows more than one program to be running at a time. A single-tasking system has only one running program. Multi-tasking can be of two types: pre-emptive and co-operative,the operating system slices the CPU time and dedicates one slot to each of the programs. 

• Distributed

It manages a group of independent computers and makes them appear to be a single computer. 

• Embedded

Embedded operating systems are designed to be used in embedded computer systems. They are designed to operate on small machines like PDAs with less autonomy. They are able to operate with a limited number of resources. They are very compact.

Here is a link of a video about operanting systems: http://www.youtube.com/watch?v=MzVGL