What are the functions of operating system pdf

UNIT-I Operating System Introduction: Operating Systems Objectives and functions, Computer System Architecture, OS Structure, OS Operations, Evolution of Operating Systems - Simple Batch, Multi programmed, time shared, Personal Computer, Parallel, Distributed Systems, Real-Time...The purpose of an operating system is to provide an environment in which a user can execute programs in a convenient and efficient manner. An operating system is a program that manages a computer’s hardware. It also provides a basis for application programs and acts as an intermediary between the computer user and the computer hardware.Section 3 presents the common functions of operating systems, such as process and thread management, memory management, file system management, I/O system management, and...The purpose of an operating system is to provide an environment in which a user can execute programs in a convenient and efficient manner. An operating system is a program that manages a computer’s hardware. It also provides a basis for application programs and acts as an intermediary between the computer user and the computer hardware. Functions of Operation System An operating system is a program that acts as a user-computer GUI (Graphical user interface). It controls the execution of all types of applications. The operating system performs the following functions in a device. Instruction Input/output Management Memory Management File Management Processor Management Job PriorityThe operating system is responsible for Creating and terminating user and system processes Suspending and resuming processes Providing mechanisms for process synchronization Providing mechanisms for process communication Providing mechanisms for deadlock handling Main Memory Management Main memory is a large array of words or bytes.One set of operating-system services provides functions that are helpful to the user: ○ User interface - Almost all operating systems have a user.In operating systems, memory management is the function responsible for managing the computer's primary memory. [1] : 105–208. The memory management function keeps track of the status of each memory location, either allocated or free. It determines how memory is allocated among competing processes, deciding which gets memory, when they ...Functions of Operating System 1. Memory Management It is the management of the main or primary memory. Whatever program is executed, it has to be present in the main memory. Main memory is a quick storage area that may be accessed directly by the CPU. When the program is completed, the memory region is released and can be used by other programs. wooden shelf extenderThe reason for a PDF file not to open on a computer can either be a problem with the PDF file itself, an issue with password protection or non-compliance with industry standards. It could also be an iWhat are the functions of operating system PDF? Basically, an Operating System has three main responsibilities: (a) Perform basic tasks such as recognizing input from the keyboard, sending output to the display screen, keeping track of files and directories on the disk, and controlling peripheral devices such as disk drives and printers.Operating System is a software, which makes a computer to actually ... Operating Systems functions: • Main Memory Management. • Processor Management.Operating system provides the facility to load programs in memory easily and then execute it. 4. Data security Data is an important part of computer system. The operating system protects the data stored on the computer from illegal use, modification or deletion. 5. Disk Management Operating system manages the disk space.¾The choice of operating system, therefore, determines to a great extent the applications a user can run. ¾For example, the DOS operating system contains commands such as COPY and RENAME for copying files and changing the names of files, respectively. The commands are accepted and executed by a part of the operating system.Functions of Operating Systems. Let us discuss the function of the operating system (OS) in detail. Security. The operating system uses a password protection to protect …Here is a list 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 … carrier parts manual The topic discussed is Introduction to operating system and its functionalities. In this video first we'll see introduction to operating system and then we'...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)It is known as non-volatile memory. o Random access memory (RAM) is the memory available for the operating system, programs and processes to use when the computer is running. Computer literacy as defined by Webopedia is: The level of expertise and familiarity someone has with computers.Functions of Operating System There are Many Functions those are Performed by the Operating System. But the Main Goal of Operating System is to Provide the Interface between the user and the hardware. Device Management OS manages device communication via their respective drivers. Operating System does the following activities for device management.A computer is a machine with an intricate network of electronic circuits that operate switches or magnetize tiny metal cores. The function keys are keys which send special signals to the system unit. The effect of pressing a given function key will depend on the software which is currently in use.For hardware functions such as input and output and memory allocation, the operating system acts as an intermediary between programs and the computer ...The word can be defined as a structural and semantic entity of the language system. Any language is the unity of different aspects: grammar, vocabulary, and sound system. The project involved a word list of 850 words, the description of their functions and the relationships between them. carrd inspo simple An Operating System is a software that acts as an intermediate between the hardware and the user. It is a kind of resource manager that manages both hardware and software resources of a system. There can be various resources present in the system and to manage it manually is a very very difficult task.Operating Systems Major Functions of Operating System Data Management • The data management functions of an OS govern the input and output of data and their location, storage, and retrieval. • It also is responsible for storing and retrieving information on disk drives and for the organization of that information on the drive.Search for jobs related to Functions of operating system pdf or hire on the world's largest freelancing marketplace with 21m+ jobs. It's free to sign up and bid on jobs.View Details. Request a review. Learn more mongodb error 11000Compared to a single user/single application operating system. It is quite possible for a multitasking computer to have multiple gigabytes of RAM (2GB to 16GB ...An Operting System is the low-level software that supports a computer's basic functions, such as scheduling tasks and controlling peripherals. An operating system is a program that acts as an interface between the user and the …So, You Want to Write an Operating System and Climbing the Kernel Mountain - a now-ancient series of articles from the OS News website, begun in 2002, these were many older developers' introductions to OS dev. Xv6 unlike most tutorials in this list, this is a fully functional, yet simple OS.Section 3 presents the common functions of operating systems, such as process and thread management, memory management, file system management, I/O system management, and...It provides locally significant services. A network operating system (NOS) controls other operating systems. It provides services that are used to control applications running on other computers. If you have one computer and want to use it for personal purposes, you will install an operating system on it.An operating system is a piece of software that presents an interface between the computer and the user. One of the first operating systems was the GM OS or General Motors. Operating System created in 1955. There are two major kinds of operating systems, Command Line.The operating system gives easy-to-use graphical (or/and be command-line options) interfaces to the users. It receives instructions in the form of events and converts them into low-level machine language as per the hardware present. Other than just accessing hardware, an Operating System (OS) plays a role in using resources efficiently and ...Jul 07, 2022 · Following are some of the very basic and main functions of operating system: 1. Security The operating system helps in keeping the user data safe with help of protection like passwords and some other similar methods, it is also capable of avoiding unauthorized access to user data and programs. 2. Control Over System Performance 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. Deals with errors and user instructions.Yes, we're talking about "protocols" which are set of rules that help in governing the way a particular technology will function for communication. The system which requests for connection is the local computer, and the system which accepts the connection is the remote computer.The operating system is in charge of storing and accessing files. The creation of files, the creation of directories, the reading and writing of data from files and directories, as well as the copying of the contents of files and directories from one location to another are all included in storage management. The OS uses storage management for: Functions of Operating System There are Many Functions those are Performed by the Operating System. But the Main Goal of Operating System is to Provide the Interface between the user and the hardware. Device Management OS manages device communication via their respective drivers. Operating System does the following activities for device management.An operating system includes all the programs of a computer system that control and monitor the operations of the system. Operating systems typically consist of a kernel that manages the hardware of the computer, as well as basic system programs that are used to boot the operating system and configure it. We are going to discuss main functions ...Functions of Operating System · Security · Control over System Performance · Job Accounting · Error Detecting Aids · Coordination between Users and Other Software ... jieguan d2r bot A ship's electrical system operates at 60 Hz, but when connected to shore supply it is supplied with 50 Hz. When considering instrumentation systems, what is the meaning of the expression "dead-band"? In terms of automated control systems, what is typical for a continuous control system?Downloading full PDF issues is exclusive for IEEE Members. That's because pure functions operate only on their input parameters, making it impossible to have any interactions between different functions. But what if a function needs to know or needs to manipulate the state of the system?Functions of an operating system The basic functions of an operating system are: Booting the computer Performs basic computer tasks eg managing the various peripheral devices eg mouse, keyboard Provides a user interface, e.g. command line, graphical user interface (GUI) Search for jobs related to Functions of operating system pdf or hire on the world's largest freelancing marketplace with 21m+ jobs. It's free to sign up and bid on jobs.Operating Systems and Middleware (PDF и LaTeX). Patterns and Practices: Application Architecture Guide 2.0. Patterns of Software: Tales from the Software Community (PDF). Type Theory and Functional Programming. Understanding IP Addressing: Everything you ever wanted to know (PDF).The most popular operating systems are: ■ The Windows family - designed by Microsoft and used on most PCs. The most recent version is Windows Vista. ■ Mac OS - created by Apple and used on Macintosh computers. ■ Unix - a multi-user system, found on mainframes and workstations in.The purpose of an operating system is to provide an environment in which a user can execute programs in a convenient and efficient manner. An operating system is a program that manages a computer’s hardware. It also provides a basis for application programs and acts as an intermediary between the computer user and the computer hardware. Multiprogramming is a technique to execute the number of programs simultaneously by a single processor. In multiprogramming, a number of processes reside in main memory at a time. The OS(Operating System) picks and begins to execute one of the jobs in main memory. toyota celsior Functions of Operating Systems. Let us discuss the function of the operating system (OS) in detail. Security. The operating system uses a password protection to protect …6. What are the examples of powered machines that did not require human strength. to operate? 7. What powered tool was developed bу the Chinese 2,000 years ago? I. Answer the questions: 1. What does an automated production line consist of? 2. What is the function of а transfer system?a) The need for, and function and purpose of operating systems. b) Memory management (paging, segmentation and virtual memory). c) Interrupts: the role of ...operating system (OS), program that manages a computer's resources, especially the allocation of those resources among other programs. Typical resources include the central processing unit (CPU), computer memory, file storage, input/output (I/O) devices, and network connections.An operating system controls the direction and influx of data through controlling the movement of data between a computer device’s units and through monitoring processing operations. It then displays the data on …28 juin 2022 ... Security – · Control over system performance – · Job accounting – · Error detecting aids – · Coordination between other software and users – · Memory ...View Details. Request a review. Learn moreOperating Systems Major Functions of Operating System Job Management • The job management function of an OS prepares, schedules, controls, and monitors jobs submitted for execution to ensure the most efficient processing. • A job is a collection of one or more related programs and their data. monologues for shy characters Functions of an Operating System. In an operating system software performs each of the function: 1. Process management:- Process management helps OS to ...z define operating system; z list the functions of operating system; z classify operating system. 4.1 OPERATING SYSTEM A computer is a machine which needs to be instructed for every single step. The operating system is the most important software that runs on a computer. The OS performs the following functions.Today, operating systems control and manage the use of hardware devices such as the printer or mouse. They also provide disk management by letting you store information in files. The operating system also lets you run programs such as the basic word processor.An Operating System is a software that acts as an intermediate between the hardware and the user. It is a kind of resource manager that manages both hardware and software resources of a system. There can be various resources present in the system and to manage it manually is a very very difficult task.Search for jobs related to Functions of operating system pdf or hire on the world's largest freelancing marketplace with 21m+ jobs. It's free to sign up and bid on jobs.Functions of Operating System: Process Management. A process is a program in execution. A process needs certain resources, including CPU time, memory,.When the processor Operating System became available, the processor scheduler selects job Explain Various that was loaded in the memory and execute it. Process States In batch strategy is implemented to provide a batch What Is Demand file processing. So in this approach files of the similar Paging batch are processed to speed up the task.Operating systems must: Provide and manage hardware resources Provide an interface between the user and the machine Provide an interface between application software and the machine Provide security for data on the system Provide utility software to allow maintenance to be done Why OS’s were developed:¾The choice of operating system, therefore, determines to a great extent the applications a user can run. ¾For example, the DOS operating system contains commands such as COPY and RENAME for copying files and changing the names of files, respectively. The commands are accepted and executed by a part of the operating system. Operating System is a software, which makes a computer to actually ... Operating Systems functions: • Main Memory Management. • Processor Management. 2015 subaru wrx check engine light cruise flashing traction control The control unit manages and coordinates the entire computer system. It obtains instructions from the program stored in main memory, interprets the instructions, and issues signals that cause other units of the system to execute them. 2. What is the function of CU? 3. How does CU operate?...that the software running on their systems today is the same as what was running yesterday. The availability of properly functioning computer systems (e.g., for routing long-distance calls or These principles, recognized in some form for centuries, are the basis of precomputer operating A computer operating system, an application such as a computerized payroll, a local network of...What is the difference between System Software & Application Software. Application software programs are designed to execute a large variety of functions. System software is pre-installed with the operating system. System software is commonly referred to as general-purpose software. Adobe PDF, Mozilla Firefox, and Google Chrome are good examples of this application software.The OS allows you to communicate without being able to speak the language of your machine. Without an operating system, the user cannot use a computer or mobile device. Types of Computer Operating Systems Operating Systems are usually pre-installed in on any computer. Below we will discuss different types of Operating System: 1. Apple iOS Main functions of operating system – booting the computer, managing system resources (CPU, memory, storage devices, printer, etc.) ...Functions of an operating system Provide and manage hardware resources Provide an interface between user and machine Provide an interface between application software and the machine Provide Security for data on the system Provide utility software for maintence to be done Provide basic software to make computer usefullIt provides locally significant services. A network operating system (NOS) controls other operating systems. It provides services that are used to control applications running on other computers. If you have one computer and want to use it for personal purposes, you will install an operating system on it. 3chi granddaddy purple reddit I/O and Memory What Are Multi The main function of a batch Number System Tasking, Multi processing system is to Operating system Programming And automatically keep executing Multi Threading DBMS the jobs in a batch. Operating Systems book by Galvin Pdf Free Download. An operating system acts as an intermediary between the user of a computer and the computer hardware. The purpose of an operating system is to provide an environment in which a user can execute programs in a convenient and efficient manner. An operating system is a program that manages a ...Operating System. An operating system (OS) is a program that acts as an interface between the system hardware and the user. Moreover, it handles all the interactions between the software …PDF | On Oct 1, 2016, Olusanya O.O. and others published MICROSOFT WINDOWS OPERATING SYSTEM | Find, read and cite all the research you need on ResearchGateFor example, on UNIX and Linux systems, a user may choose among several different ways. The main function of the command interpreter is to get and execute the ...2021/07/26 ... First operating system was developed by IBM with a young man named Bill Gates, this could run on different computers from different ... middlesex county sheriff civil process Abstract and Figures. It includes an introduction to Operating system (OS): Computer system structure and organization. OS definition, function, history. Categories, OS services, and operations ...The various functions of operating system are as follows: 1. Process Management: • A program does nothing unless their instructions are executed by a CPU.The topic discussed is Introduction to operating system and its functionalities. In this video first we'll see introduction to operating system and then we'...Find out here what exactly, is an information system, information system components and role. Software are the intangible programs that manage information system functions, including input Application software operates programs geared toward particular uses in information systems. was worth $11.5 trillion dollars or 15.5% of the global GDP [PDF, 22.8 MB]External link:open_in_new.An operating system is concerned with the allocation of resources and services, such as memory, processors, devices, and information. The operating system correspondingly includes programs to manage these resources, such as a traffic controller, a scheduler, memory management module, I/O programs, and a file system. Functions of Operating ...1 (a) Explain what is meant by an ‘operating system’. (2) (b) List three functions of an operating system. (3) Function 1: Function 2: Function 3: Functions of an operating system Worksheet 25 - Real-time operating system A real-time operating system is designed to handle input data, typically without buffering delays, within a guaranteed latency (time). They found in systems …Today, operating systems control and manage the use of hardware devices such as the printer or mouse. They also provide disk management by letting you store information in files. The operating system also lets you run programs such as the basic word processor.Hardware and software as correlates of operating system. Jan 2003. P N Adnan. Adnan P. N. [2003] Hardware and software as correlates of operating system.What are the main functions of an operating system?Manage the computer's resources. Establish a user interface. 1. Difference is there for What Between applications software and the operating Systems? The Applications software does not Communicate Directly with the computer-hardware.Proteins are very important molecules that are essential for all living organisms. By dry weight, proteins are the largest unit of cells. Proteins are involved in virtually all cell functions and a different type of protein is devoted to each role, with tasks ranging from general cellular support to cell signaling and...The operating system is a collection of programs that controls the overall operations of the computer. Operating systems are of two types namely, Open-source operating systems and Closed source operating systems. UBUNTU is free and open-source software. Operating systems works as an interface between a user and computer hardware components.Functions of an operating system Provide and manage hardware resources Provide an interface between user and machine Provide an interface between application software and the machine Provide Security for data on the system Provide utility software for maintence to be done Provide basic software to make computer usefull Topic: Functions of Operating System. Teacher's Name: Prof. (Dr.) Reyazuddin. School: Commerce and Management. Date: 27/06/2020. Functions of Operating ...Operating system performs the following function. 1. SECURITY The operating system uses password protection to protect user data and similar other techniques. it also prevents unauthorized access to programs and user data. 2. Control over system performance – Monitors overall system health to help improve performance. records the response timeAn operating system (OS) is the software which helps in operating both hardware and software of the computer and it also manages all other application programs in a computer. Operating System History of Operating Systems The first computer, Z1, was made in 1936 - 1938. Unfortunately, this computer ran without an operating system.As seen in this link, the PIC microcontrollers have the CPU clock, with a rate of $f_{cy}$ (also called instruction cycle frequency), and the system clock, with a rate of $f_{osc}$ (oscillator frequency). Physically, what provides the clock "ticks" to the microcontroller is a crystal oscillator.Computer programs are software. The operating system (OS) is software that controls the hardware. Most computers run the Microsoft Windows OS. Perhaps the most influential component is theCentral Processing Unit. It is to execute program functions and to coordinate the activities of all the other units.An operating system acts as an intermediary between the user of a computer and the computer hardware. The purpose of an operating system is to provide an environment in which a user can execute programs in a convenient and efficient manner. An operating system is software that manages the computer hard- ware.Jun 28, 2022 · Important functions of an operating System: Security – The operating system uses password protection to protect user data and similar other techniques. it also prevents unauthorized access to programs and user data. Control over system performance – 2021/07/14 ... 1 What is Operating Systems? 2 Functions of Operating Systems; 3 Process Management. 3.1 CPU Scheduling; 3.2 CPU Dispatcher; 3.3 ...It is also an important function of operating system. ... .pdf .jpg. Binary file in a format for. Archive .arc .zip. Related files grouped into a.Storage hardware serves the same basic functions as do office filing systems except that it stores data as electromagnetic signals. An operating system, for example, is a collection of system programs that aid in the operation of a computer regardless of the application software being used. nostradamus predictions 2023 Operating Systems Major Functions of Operating System Job Management • The job management function of an OS prepares, schedules, controls, and monitors jobs submitted for execution to ensure the most efficient processing. • A job is a collection of one or more related programs and their data.10. _ hackers can inflict major damage on both individual computer users and large organizations by stealing personal financial information, compromising the security of major systems, or shutting down or altering the function of websites and networks. best wormer for strongyles in horses n Computer-system operation! l One or more CPUs, device controllers connect through common bus providing access to shared memory! l Concurrent execution of CPUs and devices competing for memory cycles! Operating System Concepts - 9th Edition!Operating System manages device communication via their respective drivers. It does the following activities for device management −. Keeps tracks of all devices. I/O controller is responsible for this task. Decides which process gets …Oct 05, 2022 · 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) What are the functions of operating system PDF? Basically, an Operating System has three main responsibilities: (a) Perform basic tasks such as recognizing input from the keyboard, sending output to the display screen, keeping track of files and directories on the disk, and controlling peripheral devices such as disk drives and printers.What are the main functions of an operating system?Manage the computer's resources. Establish a user interface. 1. Difference is there for What Between applications software and the operating Systems? The Applications software does not Communicate Directly with the computer-hardware.modern mobile phone is now more powerful than a desktop computer for 20 years ago, so this progression makes sense and is a natural development. The purpose of an operating system is …A multitasking operating system enables several programs to be run on a computer at the same time. The operating system determines the order in which the programs should use the CPU …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.Important functions of an operating system: Security The operating system uses password protection to protect user data and similar other techniques. it also prevents unauthorized access to programs and user data. Control over system performanceIn operating systems, memory management is the function responsible for managing the computer's primary memory.: 105–208 The memory management function keeps track of the status of each memory location, either allocated or free.It determines how memory is allocated among competing processes, deciding which gets memory, when they receive it, and how … massey ferguson mower conditioner A multitasking operating system enables several programs to be run on a computer at the same time. The operating system determines the order in which the programs should use the CPU …Operating systems help in coordinate and assign interpreters, compilers, assemblers, and other software to the various users of the computer systems. Memory Management The operating system controls the primary memory or main memory. Primary memory is a large array of bytes or words where each byte or word is assigned a certain address.An Operating System is a software that acts as an intermediate between the hardware and the user. It is a kind of resource manager that manages both hardware and software resources of a system. There can be various resources present in the system and to manage it manually is a very very difficult task.Some of the system utility programs are memory manager, antivirus and firewall, registry checker and cleaner, package installer and explorer. Also, with the help of such system utility program in computer, users can execute functions that are crucial for smooth running of an operating system. borehole drilling machine hire uk 5 juil. 2022 ... Abstract and Figures ; The basic functions of operating systems can be classified as process and thread management, memory management, ; file ...z define operating system; z list the functions of operating system; z classify operating system. 4.1 OPERATING SYSTEM A computer is a machine which needs to be instructed for every single step. The operating system is the most important software that runs on a computer. The OS performs the following functions.The OS which manages an interface has a precise set of rules which determine how the system will react and respond to commands of users. 2. Resource management. From one point of view, an OS is a provider of a comfortable, smooth performance for a user.1 (a) Explain what is meant by an ‘operating system’. (2) (b) List three functions of an operating system. (3) Function 1: Function 2: Function 3: Functions of an operating system Worksheet 2The Brain and Spinal Cord are the Central Nervous System. Nerves and Sensory Organs Make Up the Peripheral Nervous System. Together, the central nervous system (CNS) and the peripheral nervous systems (PNS) transmit and process sensory information and coordinate bodily functions.Section 3 presents the common functions of operating systems, such as process and thread management, memory management, file system management, I/O system management, and...The function keys are found on the top of a computer keyboard. It is the most important part of a computer system. In all modern small computers, the CPU is placed on a single silicon chip. The secondary memory stores operating system, text files, images, songs, videos, etc. chair of pathology 6. What are the examples of powered machines that did not require human strength. to operate? 7. What powered tool was developed bу the Chinese 2,000 years ago? I. Answer the questions: 1. What does an automated production line consist of? 2. What is the function of а transfer system?An Operating System (OS) is the most important program that is first loaded on a computer when you switch on the system. Operating System is system software. The communication between a user and a system takes place with the help of operating systems. This blog on ” what is operating system” helps users to understand different types of OS ...View Details. Request a review. Learn moreThis book examines the both the principles and practice of modern operating systems, taking important, high-level concepts all the way down to the level of working code. Over the past two decades, there has been a huge amount of innovation in both the principles and practice of operating... adult minibikes Network Operating Systems (NOS ) are embedded in a router or hardware firewall that operates the functions in the network layer (layer 3) of the OSI model. • Examples: • Cisco IOS (formerly "Cisco Internetwork Operating System"). • MikroTik RouterOS ™ (is a router operating system and software which turns a regular Intel PC or MikroTikrun walk stroll The lexical system is not homogeneous. Its central part is formed by lexical units possessing all the distinctive features of words. Phrasal verbs, complex prepositions, some compounds, phraseological units, etc. function as lexical items of the vocabulary of the language.Functions of an operating system Provide and manage hardware resources Provide an interface between user and machine Provide an interface between application software and the machine Provide Security for data on the system Provide utility software for maintence to be done Provide basic software to make computer usefullThe most popular operating systems are: ■ The Windows family - designed by Microsoft and used on most PCs. The most recent version is Windows Vista. ■ Mac OS - created by Apple and used on Macintosh computers. ■ Unix - a multi-user system, found on mainframes and workstations in.6. What are the examples of powered machines that did not require human strength. to operate? 7. What powered tool was developed bу the Chinese 2,000 years ago? I. Answer the questions: 1. What does an automated production line consist of? 2. What is the function of а transfer system? how to add social media icons in figma Operating systems must: Provide and manage hardware resources Provide an interface between the user and the machine Provide an interface between application software and the machine Provide security for data on the system Provide utility software to allow maintenance to be done Why OS’s were developed:The operating systems developed during periods of time due to the evolution of computers (generations of the computer). DOS system (Disk Operating System) was the first widely-installed operating system for personal computers. DOS was (and still is) a non-graphical line-oriented command- or menu-driven operating system, with a relatively simpleThe 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) nazareth football game