What is operating system?

Operating system is an interface between a computer user and computer hardware. Modern operating systems use a graphical user interface or GUI. A GUI lets you use your mouse to click icons, buttons, menus and displayed on the screen using a combination of graphics and text. Some popular operating systems include Linux, Windows, Mac OS and operating systems for mobile devices.

The Windows operating system created by Microsoft. There have been many different versions of Windows, but recent ones are Windows 10, Windows 8, Windows 7 and Windows Vista. Windows is most popular operating system in the world.

Mac OS is line of operating systems created by Apple. It comes loaded on all new Macintosh computers or Macs.

Linux is open-source operating systems, which these can be modified and distributed by anyone around the world. This is different from proprietary software like Windows. The advantages of Linux are that it is free and there are many different distributions.

Operating systems for mobile devices include Apple iOS and Google Android. iOS running on an iPad and iPhone. Mobile devices such as phones, tablet computers, and MP3 players are different from desktop and laptop computers.

An operating system is a software which performs all basic tasks like file management, memory management, process management, handling input and output, and controlling disk drives and printers.

Memory management is the functionality of an operating system which refers to management of primary memory or main Memory. Main memory provides a fast storage that can be accessed directly by the CPU.  Memory management keeps memory location, it is allocated to some process or. It checks how much memory is to be allocated to processes.

The OS decides which process gets the processor when how much time. This function is called processor management. A processor management keeps tracks of processor and status of process and allocates the processor to a process.

Device management communicates device communication via their respective drivers. Device management keeps tracks of all devices and allocates the device in the efficient way.

The data that we work with on computers is kept in a hierarchical file system in which directories have files and subdirectories beneath them. File management keeps track of information, location, uses, status and allocates the resources.

An operating system is a program that acts as an interface between the user and the computer hardware and controls the execution all programs.

Interaction 

Communication is an important part of life. The use of technology can be a great help to people in communicating, reducing the time it takes. Technology such as email, Facebook, Twitter, YouTube, Instagram and many other sites are all amazing tools that have the intent to bring inter-connectedness around the world. These methods of communication, however, also have the capacity to negatively or positive impact face-to-face interaction.  

The variety of communication technology has been developed even further. The purpose is not only to make it easier but also to reach the better quality of communication. They can communicate with others in the wider range of connection by using social media such as Facebook, Twitter. This situation will globally lead people into worldwide relationship.

The technological advances that have simplified and improved personal communication have also had the same beneficial effects on business. Cell phones take this one step further, allowing people to call and speak with each other regardless of their location. Online communication of all types is the most efficient yet. Technology paired with communication programs such as Skype, iChat or Google Video Chat, make it possible to see the person you are speaking with rather than just hear his voice.

Technologies have no doubt evolved the way we interact and hang out, this virtual relations tend to be positive. Communication of technology have positively impacted our life and the way we make. We have greatly reduced real world interaction. Technology will be an integral part of our future

Current trend 

Information technology is showing on many things, such as facilitating the work of those who came to be used in our lives. We can not imagine no computer, Internet and smartphone today's period. A smartphone, tablet, or computer can be a hugely productive tool. Compulsive use of these devices can help your daily life, work, and relationships. Smartphone, tablet and computer are human use of daily at the period. Many people became use smartphone and tablet  more from computer.

With tablets and smart phones more portable, small and easier, the it has become more intense. They huge increase in mobile computing, particularly smart devices while desktop PC sales have stagnated. These smart devices are very used obviously technology products right now. Mobile phones have used to write message and  only talk each other, now become include mobile  Internet and entire PC. Smart devices are now almost as powerful as a desktop or laptop PC. Everything you do on your laptop today will be achievable on a smartphone and tablet. Smartphone and tablet just perform too many PC functions. Portable devices like smart phones and tablets provide enough power web surfing, talk each other, chat and social media. We can’t do some function on the smartphone and tablet that become do on computer. Experts are now predicting that smartphones and tablets will increasingly replace desktop and laptop PCs. These devices has new touch technologies. Althougt computer had touch technology. Trend of people will direct this technology right now.  

The number of smartphone users is growing very fast. Every one computer sold four smartphones in the world. This number will increase even more. Smartphone is change the lives of people and societies. 

Computer in our lives  

Evolution of technology is coming very rapid in worldwide. The development of technology, computer is one of the greatest discovery and essential people usage when developing fast information technology at the period and coming day by day in our life. It brings convenience to people and makes the daily tasks easier and important parts of our daily life. People of today's are think that easy to use, but others have a negative attitude.

There are many benefits of using computers. The computer save our time and facilitate to work. Help of computer, we can communicate via the Internet with people even though staying in different location of the world. We can get timely all updated news. Many people do their jobs with the help of computer technology.

Computers have made life easier and convenient. It changed until laptop from local computer. It is smaller than standard PCs. Laptop computer can be used in many places - not only at home and at the office, but also during commuting and flights, in coffee shops, in lecture halls and libraries, at clients' location or at a meeting room, etc.

Computers are beneficial to the society, there are several demerits also. Overuse of computer causes leads to poor eyesight, obesity, deficiency of movement and have a backache. In fact, computers reduce the alive relationships. Probably, computer perform a vital role in disruption as people interact less with each other.

We are living in the computer age. How to affect computer the future? that unpredictable. Maybe  computer exert some undesirable effects on the society and it will become integral usage of people in the future.