What Is an Operating System? – Nexton Heroes (2022)

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  • August 2, 2022

What Is an Operating System?

Operating systems are extremely crucial to any computer. Many computers develop faults because of poor usage of the operating systems. Due to this reason, we have decided to talk about the operating systems and their types. As you read through, make sure you take note of the main points.

What Is an Operating System?

An operating system or OS is software installed on a computer’s hard drive that allows the computer hardware to connect and operate with the computer software. Without a computer operating system, computer and software programs would be useless. The picture shows Microsoft Windows XP in its original packaging.

With earlier computers, the user interacted with them using a command line interface, which required memorization of commands. While in recent times, almost every computer uses a GUI (Graphical User Interface) operating system that’s easy to use and operate.

Functions of an operating system

An operating system provides three essential capabilities: It offers a UI through a CLI or GUI; it launches and manages the application execution; and it identifies and exposes system hardware resources to those applications — typically, through a standardized API.

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Every operating system requires a UI, enabling users and administrators to interact with the OS in order to set up, configure and even troubleshoot the operating system and its underlying hardware. There are two primary types of UI available: CLI and GUI.

The CLI, or terminal mode window, provides a text-based interface where users rely on the traditional keyboard to enter specific commands, parameters, and arguments related to specific tasks. The GUI, or desktop, provides a visual interface based on icons and symbols where users rely on gestures delivered by human interface devices, such as touchpads, touchscreens, and mouse devices.

The GUI is most frequently used by casual or end users that are primarily interested in manipulating files and applications, such as double-clicking a file icon to open the file in its default application. The CLI remains popular among advanced users and system administrators that must handle a series of highly granular and repetitive commands on a regular basis, such as creating and running scripts to set up new personal computers (PCs) for employees.

Where is the operating system stored on a computer?

With most computers, the operating system is stored on the primary hard drive inside the computer. Computer operating systems can also be installed and loaded from an external hard drive, disc drive, or flash drive.

When installing the operating system, the install files are stored on a CD, DVD, or USB flash drive. Early computer operating systems used multiple floppy diskettes to install an operating system.

Types of Operating System (OS)

Following are the popular types of OS (Operating System):

  1. Batch Operating System
  2. Multitasking/Time Sharing OS
  3. Multiprocessing OS
  4. Real-Time OS
  5. Distributed OS
  6. Network OS
  7. Mobile OS

Batch Operating System

Some computer processes are very lengthy and time-consuming. To speed the same process, a job with a similar type of needs is batched together and run as a group.

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The user of a batch operating system never directly interacts with the computer. In this type of OS, every user prepares his or her job on an offline device like a punch card and submits it to the computer operator.

Multi-Tasking/Time-sharing Operating systems

The time-sharing operating system enables people located at a different terminal(shell) to use a single computer system at the same time. The processor time (CPU) which is shared among multiple users is termed time sharing.

Real-time OS

A real-time operating system’s time interval to process and respond to inputs is very small. Examples: Military Software Systems and Space Software Systems are the Real-time OS example.

Distributed Operating System

Distributed systems use many processors located in different machines to provide very fast computation to their users.

Network Operating System

Network Operating System runs on a server. It provides the capability to serve to manage data, users, groups, security, application, and other networking functions.

Mobile OS

Mobile operating systems are those OS which is especially that are designed to power smartphones, tablets, and wearables devices.

Some most famous mobile operating systems are Android and iOS, but others include BlackBerry, Web, and watchOS.

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Features of Operating System (OS)

Here is a list of important features of OS:

  • Protected and supervisor mode
  • Allows disk access and file systems Device drivers Networking Security
  • Program Execution
  • Memory management Virtual Memory Multitasking
  • Handling I/O operations
  • Manipulation of the file system
  • Error Detection and handling
  • Resource allocation
  • Information and Resource Protection

Examples of computer operating systems

Below is a list of examples of different computer operating systems over the evolution of computers.

  • Microsoft Windows

Microsoft Windows is the most common and used operating system on computers today, with Microsoft Windows 10 being the most recently released Windows version. The operating system is used for PC and IBM-compatible computers.

  • Apple macOS

With Apple computers, macOS is the primary operating system used with Apple desktop and laptop computers.

  • Linux

Linux is a free and open source operating system used with PC and IBM-compatible computers. Because the operating system is open source, it is used to create many variants of Linux, including Ubuntu, Debian, Red Hat, and Slackware. See our Linux page for a full listing of variants listed on our site with further information about the operating system.

  • Chromium / Chrome OS

Chrome OS is an operating system used with Google Chromebooks.

  • Embedded operating system.

Not all computing devices are general purpose. A huge assortment of dedicated devices — including home digital assistants, automated teller machines (ATMs), airplane systems, retail point of sale (POS) terminals, and internet of things (IoT) devices — includes computers that require an operating system. The principal difference is that the associated computing device only does one major thing, so the OS is highly stripped down and dedicated to both performance and resilience. The OS should run quickly, not crash, and handle all errors gracefully in order to continue operating in all circumstances. In most cases, the OS is provided on a chip that is incorporated into the actual device. A medical device used in a patient’s life support equipment, for example, will employ an embedded OS that must run reliably in order to keep the patient alive. Embedded Linux is one example of an embedded OS.

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  • Network operating system.

A network operating system (NOS) is another specialized OS intended to facilitate communication between devices operating on a local area network (LAN). A NOS provides the communication stack needed to understand network protocols in order to create, exchange and decompose network packets. Today, the concept of a specialized NOS is largely obsolete because other OS types largely handle network communication. Windows 10 and Windows Server 2019, for example, include comprehensive networking capabilities. The concept of a NOS is still used for some networking devices, such as routers, switches and firewalls, and manufacturers may employ proprietary NOSes, including Cisco Internetwork Operating System (IOS), RouterOS, and ZyNOS.

Uses of Operating System

The main use of an operating system is to ensure that the computer can be used and the user can do the exact same way that the command given by the user needs to be understood by the operating system that is in the computer or the device accordingly Can work. The ability of a single operating system makes everything much easier because the technique does not need to do many different processes that are told.

Other Uses Are:-

The operating system is essential for the operation of any computer. Even in a single OS that appears, a computer performs many functions at once:

  • Display an image
  • Run the software
  • Polling for various signals

This is true for everything from NES, ATARI, DOS or Windows PC, etc (I did not get into multi-threading)

A (single core) CPU can process a single instruction stream only once (thread). As such, it is to do all those things to jump between these different tasks. It gives the illusion of multitasking.

At a very basic level, an operating system is just a scheduler. In this, there is a list of processes requiring CPU time and provides access to each process one by one, or on the basis of the load.

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Without it, you will get stuck in arithmetic and 100% CPU time will be required for the output.

Advantages of Operating System

Allows you to hide details of hardware by creating an abstraction

  • Easy to use with a GUI
  • Offers an environment in which a user may execute programs/applications
  • The operating system must make sure that the computer system is convenient to use
  • Operating System acts as an intermediary among applications and the hardware components
  • It provides the computer system resources with easy to use the format
  • Acts as an intermediator between all hardware and software’s of the system

Disadvantages of Operating System

  • If any issue occurs in OS, you may lose all the contents which have been stored in your system
  • Operating system software is quite expensive for small size organizations which adds a burden on them. Example Windows
  • It is never entirely secure as a threat can occur at any time

Conclusion

In conclusion, an operating system is the backbone of a computer. It is important to get the most user-friendly operating system for you when you intend to get one.

FAQs

What is an operating system answer me? ›

An operating system (OS) is the program that, after being initially loaded into the computer by a boot program, manages all of the other application programs in a computer. The application programs make use of the operating system by making requests for services through a defined application program interface (API).

What is an operating system Mcq? ›

An operating system is system software that manages computer hardware and software resources and provides general services for computer programs.

What is an operating system simple definition? ›

Definition of operating system

: software that controls the operation of a computer and directs the processing of programs (as by assigning storage space in memory and controlling input and output functions)

What is an operating system example? ›

What Are Some Examples of Operating Systems? Some examples of operating systems include Apple macOS, Microsoft Windows, Google's Android OS, Linux Operating System, and Apple iOS.

What is an operating system answer Brainly? ›

Answer: An operating system (OS) is system software that manages computer hardware, software resources, and provides common services for computer programs. Explanation: Microsoft Windows, Apple macOS, Linux, Android and Apple's iOS are examples of operating system.

What is an operating system short answer Class 2? ›

An Operating System is the interface between the computer hardware and the end-user. Processing of data, running applications, file management and handling the memory is all managed by the computer OS. Windows, Mac, Android etc.

Which is not operating system Mcq? ›

The correct answer is Router. The Router is not an operating system.

What is an operating system boot Mcq? ›

Explanation: An Operating System acts as an intermediary between user/user applications/application programs and hardware. It is a program that manages hardware resources. It provides services to application programs.

What does an operating system do? ›

The operating system's job

The operating system (OS) manages all of the software and hardware on the computer. It performs basic tasks such as file, memory and process management, handling input and output, and controlling peripheral devices such as disk drives and printers.

Where is the operating system? ›

The operating system is stored on the hard disk, but to speed up the whole process, the OS is copied into RAM on start-up. This is completed by BIOS (Basic Input Output System).

What is operating system its types? ›

Operating system is software that is required in order to run application programs and utilities. It works as a bridge to perform better interaction between application programs and hardware of the computer. Examples of operating system are UNIX, MS-DOS, MS-Windows – 98/XP/Vista, Windows-NT/2000, OS/2 and Mac OS.

Why is operating system important? ›

An operating system is the most important software that runs on a computer. It manages the computer's memory and processes, as well as all of its software and hardware. It also allows you to communicate with the computer without knowing how to speak the computer's language.

What are the 4 types of operating system? ›

64-bit OS and 32-bit OS. Batch OS, Time-Sharing OS, Distributed OS, Real-Time OS, Networking OS.

What are the 5 examples of operating system? ›

Five of the most common operating systems are Microsoft Windows, Apple macOS, Linux, Android and Apple's iOS.

What is not an operating system? ›

The correct answer is Oracle.

What is an operating system short answer Class 6? ›

An operating system (OS) is system software that manages computer hardware, software resources, and provides common services for computer programs.

What is operating system Mcq Brainly? ›

Answer. An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs. The operating system is a component of the system software in a computer system.

Is an example of operating system answer? ›

The correct answer is Microsoft Windows. Microsoft Windows is an example of an operating system.

What is an operating system for Class 3? ›

Operating System: An Operating System (OS) is an interface between a computer user and computer hardware. An operating system (OS) is system software that manages computer hardware, software resources, and provides common services for computer programs.

What is an operating system for Class 4? ›

What are Operating Systems? A program that manages the computer hardware. Therefore, it acts as an intermediary between a user of a computer and the computer hardware.

What is an operating system class 5? ›

An operating system controls the overall activities of a computer. It acts as a link between the user and the hardware.

Which is not true for operating system? ›

False, An operating system (OS) is system software that manages or ensures computer hardware, software resources, and provides common services for computer programs. It can not ensure the computer system components like hard disk and RAM never crash or malfunction. Option 2: It works as a resource manager.

Which is not an example of operating system? ›

Microsoft Office XP is not an example of Operating System. Microsoft Office XP (codenamed Office 10) is an office suite created and distributed by Microsoft for the Windows operating system.

Which of the following is an operating system? ›

Some examples of operating systems include Apple macOS, Unix Operating System, Microsoft Windows, Google's Android OS, Linux Operating System, and Apple iOS.

Which is the core of the operating system Mcq? ›

The kernel is a computer program at the core of a computer's operating system and generally has complete control over everything in the system.

What are the functions of an operating system Mcq? ›

Functions of Operating System
  • Process Management.
  • Memory Management.
  • I/O device management.
  • File Management.
  • Network Management.
  • Security and Protection.

When was the first operating system developed Mcq? ›

1952 View Answer

Explanation: The first operating system (OS) was developed in the early 1950's. It was also called a single-stream batch processing system because it presented data in groups.

What are the 5 main functions of an operating system? ›

Operating system functions
  • Controls the backing store and peripherals such as scanners and printers.
  • Deals with the transfer of programs in and out of memory.
  • Organises the use of memory between programs.
  • Organises processing time between programs and users.
  • Maintains security and access rights of users.

What is an operating system made up of? ›

Operating systems are built out of two main parts: The kernel; System programs.

What are the two main functions of an operating system? ›

An operating system has three main functions: (1) manage the computer's resources, such as the central processing unit, memory, disk drives, and printers, (2) establish a user interface, and (3) execute and provide services for applications software.

What is a computer system? ›

A computer along with additional hardware and software together is called a computer system. A computer system primarily comprises a central processing unit (CPU), memory, input/output devices and storage devices. All these components function together as a single unit to deliver the desired output.

What is the primary file management tool used in Windows? ›

Microsoft Windows uses File Explorer as the primary file management tool. Access it from the task bar. It shows folders on the left with files and folders for further selection on the right.

What is another name for operating system? ›

What is another word for operating system?
dosOS
UNIXWindows
system softwaredisk operating system
MS-DOSsystems program
computer operating systemcore
3 more rows

What is operating system PDF? ›

An operating system is a type of system software that manages and controls the resources and computing capability of a computer or a computer network, and provides users a logical interface for accessing the physical computer to execute applications.

Which operating system is best and why? ›

#1) MS-Windows

Windows is the most popular and familiar operating system on this list. From Windows 95, all the way to the Windows 10, it has been the go-to operating software that is fueling the computing systems worldwide. It is user-friendly, and starts up & resumes operations fast.

How many operating systems are there? ›

How many operating systems are there? There are three main operating systems for computers: Windows, Apple, and Linux. The two main operating systems for mobile are Android and iOS.

Is operating system a system software? ›

An operating system (OS) is system software that manages computer hardware, software resources, and provides common services for computer programs.

Is window an operating system? ›

Windows is an operating system designed by Microsoft. The operating system is what allows you to use a computer. Windows comes preloaded on most new personal computers (PCs), which helps to make it the most popular operating system in the world.

When was first operating system developed? ›

The first operating system used for real work was GM-NAA I/O, produced in 1956 by General Motors' Research division for its IBM 704. Most other early operating systems for IBM mainframes were also produced by customers.

Which is not operating system in Windows? ›

The correct answer is Google Chrome.

What is an operating system short answer Class 6? ›

An operating system (OS) is system software that manages computer hardware, software resources, and provides common services for computer programs.

What is an operating system PDF? ›

An operating system is a type of system software that manages and controls the resources and computing capability of a computer or a computer network, and provides users a logical interface for accessing the physical computer to execute applications.

What are the 4 types of operating system? ›

Types of operating systems
  • Batch OS. The batch operating system does not have a direct link with the computer. ...
  • Time-sharing or multitasking OS. ...
  • Distributed OS. ...
  • Network OS. ...
  • Real-time OS. ...
  • Mobile OS.

What is operating system and its types? ›

Operating system is software that is required in order to run application programs and utilities. It works as a bridge to perform better interaction between application programs and hardware of the computer. Examples of operating system are UNIX, MS-DOS, MS-Windows – 98/XP/Vista, Windows-NT/2000, OS/2 and Mac OS.

What is an operating system for Class 4? ›

What are Operating Systems? A program that manages the computer hardware. Therefore, it acts as an intermediary between a user of a computer and the computer hardware.

What is an operating system class 5? ›

An operating system controls the overall activities of a computer. It acts as a link between the user and the hardware.

What is an operating system class 7? ›

An operating system is a program which acts as an interface between a computer hardware and users of the computer. It provides such an operating system, the primary goal is to make computer system convenient to use and the secondary goal is to use the computer hardware in an effective manner.

What is operating system explain its function PDF? ›

An operating system (OS) is a collection of software that manages computer hardware resources and provides common services for computer programs. The operating system is a vital component of the system software in a computer system.

What are the 5 main functions of an operating system? ›

Operating system functions
  • Controls the backing store and peripherals such as scanners and printers.
  • Deals with the transfer of programs in and out of memory.
  • Organises the use of memory between programs.
  • Organises processing time between programs and users.
  • Maintains security and access rights of users.

What is an operating system PPT? ›

Operating system is an interface between computer and user. • It is responsible for the management and coordination of activities and the sharing of the resources of the computer.

What are 2 types of operating systems? ›

The three most common operating systems for personal computers are Microsoft Windows, macOS, and Linux. Modern operating systems use a graphical user interface, or GUI (pronounced gooey).

What are the 5 examples of operating system? ›

Five of the most common operating systems are Microsoft Windows, Apple macOS, Linux, Android and Apple's iOS.

What are functions of operating system? ›

Functions of Operating System
  • File Management. An operating system's (OS) primary function is to manage files and folders. ...
  • Device management. Operating systems provide essential functions for managing devices connected to a computer. ...
  • Process management. ...
  • Memory management. ...
  • Job Accounting.
23 Sept 2022

What is another name for operating system? ›

What is another word for operating system?
dosOS
UNIXWindows
system softwaredisk operating system
MS-DOSsystems program
computer operating systemcore
3 more rows

What is an operating system notes? ›

⇨ An operating System is a collection of system programs that together control the operations of a computer system. Some examples of operating systems are UNIX, Mach, MS-DOS, MS-Windows, Windows/NT, Chicago, OS/2, MacOS, VMS, MVS, and VM.

How many types of operating system are there? ›

There are two basic types of network operating systems, discussed as follows: Peer-to-Peer Network Operating Systems: allow users to share network resources saved in a common, accessible network location. Client/Server Network Operating Systems: provide users with access to resources through a server.

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