What is an Operating System?

What does an operating system do? An operating system manages all the resources of the computer system and all the software running on it. In fact, without an operating system, you can’t run any of your software applications at all. An operating system is like the brain of the computer, controlling everything from input to output, storage and retrieval, and everything in between!

The history of OS

The main goal of operating system developers was to allow other program developers to access hardware and abstract away hardware-related details. The earliest operating systems only ran one program at a time, but newer systems allowed multiple programs to run at once. For example, Windows 8 can run up to 8 applications simultaneously; multitasking has been possible since OS/2 2.0 in 1987. 

Operating systems such as Linux and Unix also support multithreading so that a single application can appear to run more than one task at once (using multiple threads) if its developer chooses to use threading in their code.

Why does OS exist?

Although hardware and software are both necessary components of a computer system, they are almost entirely separate. The hardware consists of all physical equipment inside or attached to a computer. It includes things like processor (the brain), memory (the short-term memory), hard drive (storage), monitor (visual display), etc. Software, on the other hand, consists of all sets of instructions that direct hardware in its work. In short, operating systems do what an orchestra does: They direct different instruments playing together to produce harmonious music.

 The conductor’s role is comparable to that of an operating system: both keep everybody else focused and prompt them to deliver their best performance.

Types of operating system

There are two main types of operating systems: A multitasking system allows multiple programs to run at once, but usually on a single processor. A client-server system gives one program control of all of the processors, memory, and disk space (among other things). That program then shares resources out to any number of users.

Batch Operating System

Time-sharing Operating System

Distributed Operating System

Multi-tasking Operating system

Real-time Operating system

Basic functions of OS

The most important functions of the operating system are managing hardware and software resources, scheduling processes for CPU utilization, memory management, file management. As part of its responsibilities to manage hardware and software resources, and operating system must also serve as a gatekeeper, allowing or denying requests from other programs seeking access to those resources.

 An operating system should also provide a means for applications to share information with each other. For example, if two different word processors are running on one machine in which both can save files to disk, there must be some means for both programs to communicate so that only one will be allowed write access at any time. However. It should provide more efficient ways than having each program check who's writing when they try to save files.

The most popular Operating Systems

Microsoft Windows, Apple’s Mac OS X, and Google’s Chrome OS. A newer operating system that you might hear more about in the coming years is Linux. It's actually quite popular—about 14% of all web servers run Linux. Another very cool part of Linux: it's open-source, which means anyone can see how it works and make suggestions for improvements. It also makes it a lot easier to use if you're a programmer since so many people are familiar with its source code.

How to choose the right OS?

There are so many choices when it comes to operating systems. The two main types are Windows and Mac OS. Then there’s Linux, Android, Chrome OS... even the Internet of Things uses an operating system of sorts—more on that later. Which OS you choose depends on your needs and preferred software preferences. To help with your decision, here’s a breakdown of how each type stacks up.

Future trends in Operating Systems

The ever-changing world of technology has taken us from command line interfaces to touch screens, making a host of advances along the way. New operating systems such as Windows 10 and Google’s ChromeOS have also been developed to make these experiences even more seamless and intuitive for users. 

Additionally, other initiatives are in place to help offer support for different programming languages like Java and C++; both are needed in order to fully function within a multi-application environment.

 

 

What is Google and what does it mean?

 Google is the world’s most popular search engine, but what exactly does it mean? Most people who use the Internet have heard of Google, but when you ask them to explain what the company does, they probably won’t be able to answer your question completely. This article will provide you with the meaning of Google and some fun facts about the company that you may not have known about before!

Google, Google Inc., and its parent company Alphabet Inc., are among the most valuable companies in the world in terms of market capitalization, are valued at $565 billion as of July 2018. As of September 2018, Google has an 84% market share on search engine market share across all platforms (desktop, mobile web, and mobile app) globally, and 89% worldwide (88% in the US).

 Google’s mission statement from the outset was to organize the world’s information and make it universally accessible and useful. But what exactly does that mean? What information do they organize?

What is Google?

Simply put, Google is a search engine. It's designed to be simple and fast, so you can quickly find exactly what you're looking for on your computer or phone. But there's more to it than that! In fact, Google has evolved into a verb in common English usage: if you're looking for something on your phone, for example, you might say, Let me Google that for you.

Beyond being a search engine, Google makes all kinds of products that are designed to help you connect with other people (like Gmail), keep up with information as it happens (News & Finance), find answers fast (Maps & Images), spend less time online (Adsense) and much more.

Full-Form of the Google

G - Global

O - Organization of

O - Oriented

G – Group

L – Language of

E – Earth

What is Google's mission?

This answer has been disputed many times as Google's mission in an interview of co-founder Larry Page, Google's mission is to organize all of the world's information and make it universally accessible and useful. And for new employees, there’s a slightly longer version: Google's mission statement from day one has been 'to organize the world's information and make it universally accessible and useful.

We've changed our mission statement over time but we have always tried to embody that spirit. Our vision remains to organize all of the world's information. The power of people at Google comes from understanding how they can bring their unique skills to bear on a range of projects that help us achieve our missions.

Benefits of the Google

The search engine that we have today was not Google’s first attempt at a web browser. Its first attempts were less sophisticated but no less ambitious in terms of global impact. Back in 1998, then called BackRub, was a search engine that was limited to ranking its own student-created pages on Stanford University’s servers.

Just three years later, though, Page and Brin dropped BackRub in favor of their new creation: Google – an homage to googolplex (meaning 10 raised to a power of 100). The new Google focused solely on linking users to existing websites through its algorithms.

How did Google get started?

In 1996, Larry Page was a Ph.D. student at Stanford University when he started what would eventually become Google. Along with his partner Sergey Brin, Page was building a search engine that relied on links instead of keywords for finding information online—he was dubbed an information retrieval expert.

 While googol has no meaning beyond its definition as a number – perhaps it's not surprising that Page gave his startup name an equally obscure derivation: in a derisive reference to competitors' search engines (particularly AltaVista), he removed three letters from their names and reversed them to spell googol.

How do People use the Google Search engine?

According to a comScore report, 96.2% of Internet users in the United States used Google Search in 2012. They did so approximately 13 times per month (Google 2012). With over 1 billion unique users each month, it's no wonder that people want to know more about what exactly makes up their beloved search engine. So how do they use it?

While most people probably use Google Search for searching information on different topics, there are certain ways that they get their questions answered. In fact, there are even some rules you can follow to increase your likelihood of getting a relevant answer to your question quickly. Among these rules are using acronyms such as MGTOW or MGTOW, which stands for Men Going Their Own Way.

Conclusion

The origin of Google’s name refers to a mathematical term for one followed by 100 zeros. Since its launch in 1998, Google has grown into one of the most popular search engines on earth and has expanded into more than just web-based search.

In fact, today you can find all sorts of information using Google. Perhaps most notable are its services that include internet-enabled devices such as cell phones and televisions, as well as online applications like email services.

 Indeed, chances are that if you’re reading an online newspaper or magazine website right now, then you’re using a service powered by Google; Gmail alone has over 425 million users worldwide. When was your last email sent or received through an email service other than Gmail?