What Are Parallel Operating Systems?

Parallel operating systems are used to interface multiple networked computers to complete tasks in parallel. The architecture of the software is often a UNIX-based platform, which allows it to coordinate distributed loads between multiple computers in a network. Parallel operating systems are able to use software to manage all of the different resources of the computers running in parallel, such as memory, caches, storage space, and processing power. Parallel operating systems also allow a user to directly interface with all of the computers in the network.

A parallel operating system works by dividing sets of calculations into smaller parts and distributing them between the machines on a network. To facilitate communication between the processor cores and memory arrays, routing software has to either share its memory by assigning the same address space to all of the networked computers, or distribute its memory by assigning a different address space to each processing core. Sharing memory allows the operating system to run very quickly, but it is usually not as powerful. When using distributed shared memory, processors have access to both their own local memory and the memory of other processors; this distribution may slow the operating system, but it is often more flexible and efficient. 

What Are the Different Types of Desktop Computer Systems?

Macintosh®, Microsoft Windows®, and Linux® are some popular desktop computer systems. Designed by Apple®, the Mac OS® is a relatively expensive system known for its user friendliness. Microsoft Windows® has been in development since the early 1980s, and is the most widely used computer operating system. In addition, Linux® is the only widely used open-source operating system that can freely be edited and redistributed by anyone. There are other desktop computer systems, but most are not popular enough to seriously compete with the big three.

As one of the earliest desktop computer systems, Microsoft Windows® comes pre-installed on the vast majority of new computers. In fact, even when customizing a personal computer (PC), some manufacturers only give customers the option to choose from the different kinds of Microsoft Windows® systems. For users with genuine copies of the operating system, Microsoft® offers a free anti-virus program, photo editing software, and much more. The company typically stops supporting a specific operating system less than one decade after its release, which means it no longer codes updates for bugs or drivers or ensures that new programs can be run.

What Is Operating System Design?

Operating system design is the creation of an operating system for a specific purpose and use. Operating systems control many different parts of modern electronics. Each of these systems was specifically designed to control the system on which it was installed. The most widely known operating systems are used on computers, but many other systems use operating programs as well. There are several different types of operating system design, each with its own functions and characteristics.

An operating system is the program used to control the functions of a piece of electronics. Each operating system works with a specific type of hardware; uses on other hardware are generally impossible or highly unstable. This specificity requires designers to constantly update or modify their systems, resulting in a web of interconnected software.

There are three main types of operating systems. Each of the categories has specific functions and operating spheres; they are not interchangeable, and one is not better or worse than any other. Each class of operating system design contains many different programs.

What Is a Multitasking Operating System?

A multitasking operating system is any type of system that is capable of running more than one program at a time. Most modern operating systems are configured to handle multiple programs simultaneously, with the exception of some privately developed systems that are designed for use in specific business settings. As with most types of communications technology, the multitasking operating system has evolved over time, and is likely to continue evolving as communication demands keep growing in many cultures.

With older examples of the multitasking operating system, managing two or more tasks normally involved switching system resources back and forth between the two running processes. The system would execute tasks for one, freeze that program for a few seconds, and then execute tasks for the other program. While this approach did create a short time lag for the operator, this lag was usually no more than a few seconds, and still offered considerable more efficiency than the older single-task operating system.

Over time, popular incarnations of the multitasking operating system were developed that used a different approach to allocating resources for each active program. This created a situation where virtually no time lag occurred at all, assuming that the equipment driving the

What Is a Server Operating System?

A server operating system is software that was especially developed to serve as a platform for running multi-user computer programs, applications that are networked and programs critical to business computing. This type of operating system (OS) often comes bundled with the most common types of applications deployed in the client-server model, a term used to indicate the exchange of information between computers. For example, a hypertext transfer protocol (HTTP) or web server hosts or "holds" the text files, images files and scripts that work together to form a website. When someone connects to the Internet and types in a web address, the server that holds the files of the site delivers or "serves" the requested pages to the client computer or the machine that made the request. 

Frequently used applications in the client-server model handle operations for sharing files and printers across a network, hosting and serving web pages via the Internet, terminal services and the sending and receiving of email. This type of computing might be required when there's the need or desire to host one's own website locally when a domain is owned, to establish an intranet to disseminate information and allow communication strictly among employees of a company, to allow multiple computers to share a common printer or to set up a network drive on which files are stored and accessible by a select group of people.

What Is a Single-User Operating System?

A single-user operating system is a type of operating system (OS) that is developed and intended for use on a computer or similar machine that will only have a single user at any given time. This is the most common type of OS used on a home computer, as well as on computers in offices and other work environments. There are two general types of single-user operating system: single task and multitasking systems. Though a single-user operating system can be connected to other systems through a network, it is still truly only used by a single person and is different than a multi-user OS.

The operating system installed onto a computer is responsible for handling a number of different tasks and is typically one of the most important programs used on a computer. An operating system manages memory usage and other resources, as well as hardware connectivity and the proper execution of other applications. There are several different types of operating systems, but the single-user operating system is typically the most common.

A single-user operating system that is a single task system is developed for use with a computer or electronic device that will only run one application at a time.

What Is a Single-User Operating System?

A single-user operating system is a type of operating system (OS) that is developed and intended for use on a computer or similar machine that will only have a single user at any given time. This is the most common type of OS used on a home computer, as well as on computers in offices and other work environments. There are two general types of single-user operating system: single task and multitasking systems. Though a single-user operating system can be connected to other systems through a network, it is still truly only used by a single person and is different than a multi-user OS.

The operating system installed onto a computer is responsible for handling a number of different tasks and is typically one of the most important programs used on a computer. An operating system manages memory usage and other resources, as well as hardware connectivity and the proper execution of other applications. There are several different types of operating systems, but the single-user operating system is typically the most common.

A single-user operating system that is a single task system is developed for use with a computer or electronic device that will only run one application at a time. This type of OS is typically used on devices such as wireless phones and two-way messaging devices. A single task, single-user operating system can only run one program or application at a time, and so is not as useful for a computer or other device intended to run multiple programs at once.

What is a Network Operating System?

A network operating system (NOS) is a software program that controls other software and hardware that runs on a network. It also allows multiple computers, also known as network computers, to communicate with one main computer and each other, so as to share resources, run applications, and send messages, among other things. A computer network can consist of a wireless network, local area network (LAN), a wide area network (WAN), or even two or three computer networks. The heart of any of these networks, however, is the network operating system.

There are different types of operating systems. Most individual computer users run client operating systems, like Windows XP®, which run on a single computer. Personal computers that individuals use at home have a client operating system which manages the interactions and processes between the computer and its peripherals such as the keyboard, mouse, external monitor, and printer. In a sense, this is also a network, though it is different in scale than a network operating system which manages the interactions of many computers.

A network usually consists of many network computers that are connected to a central hub or router. The central hub, in turn, is connected to a larger, main computer. The network may also include other devices like printers, a tape-backup system, and a central storage facility. The main network computer runs all the connected computers and devices with the help of the operating system software.

What Are the Different Types of Operating Systems?

There are countless different types of operating systems available for computer users. An operating system (OS) provides the user with a way to access the computer's hardware. Microsoft Windows® is a series of operating systems that is installed on the majority of personal computers (PCs). Mac OS® is another popular type of operating system. Linux operating systems are free alternatives to Windows® and Mac OS®.

Windows® is found on the majority of computers and strives to provide a user-friendly operating system. The earliest versions of Windows® became available in 1981. Over the years, numerous versions of Windows have been released as technology has advanced.

Mac OS® was created by Apple Inc., which took a different approach to the computer market not only by creating its own operating system but also its own computers. For many years, this meant that Mac OS® could be used only Apple brand computers. In addition to computers, Mac OS® is used on many other Apple products.

In addition to the operating systems provided by Microsoft and Apple Inc., there have been a number of free operating systems created. The most well known of these free alternatives are the branch of operating systems known collectively as Linux.

What Are the Different Types of Mobile Phone Operating Systems?

There are many different mobile phone operating systems currently being used. Some of the most well-known include Symbian, BlackBerry OS, iOS, Windows Mobile, and Android. Most of them are associated with specific brands of phone made by specific companies while others are open-source and are available on a variety of platforms.

Symbian is primarily found on Nokia phones, but phones by Sharp, Fujitsu, Sony and other companies have the operating system installed as well. Symbian is open source, meaning anyone can use it without having to pay. It is widely used, but it is not the most advanced or full-featured of mobile phone operating systems. Most phones that use Symbian are low-end devices, not full-featured smart phones. Many manufacturers, including Nokia, who had long been the biggest supporter of the OS, have switched over to other operating systems.

One of the most well-known operating systems for mobile phones is the BlackBerry OS. It is the only one of the mobile phone operating systems to be found on BlackBerry devices. The BlackBerry OS is tailor-made for business, with functionality taking a seat over personality or appearance. Its main focus is on messaging, email and other communication features. Media players, and other entrainment-based applications are less-common for the device.

What is an Operating System?

An operating system is a program designed to run other programs on a computer. A computer’s operating system is its most important program. It is considered the backbone of a computer, managing both software and hardware resources. Operating systems are responsible for everything from the control and allocation of memory to recognizing input from external devices and transmitting output to computer displays. They also manage files on computer hard drives and control peripherals, like printers and scanners.

The operating system of a large computer system has even more work to do. Such operating systems monitor different programs and users, making sure everything runs smoothly, without interference, despite the fact that numerous devices and programs are used simultaneously. An operating system also has a vital role to play in security. Its job includes preventing unauthorized users from accessing the computer system.

There are multiuser, multiprocessing, multitasking, multithreading, and real-time operating systems. A multiuser operating system enables multiple users to run programs simultaneously. This type of operating system may be used for just a few people or hundreds of them. In fact, there are some operating systems that are used to allow thousands of people to run programs at the same time.