This presentation file was made in order to complete our class assignment by me and my group. This file consists of a brief introduction of operating system, hardware review and OS evolution and types of OS. The images in the slides were taken from google and the slides are based on the book Operating System Concepts, Silberschatz , Galvina and Gagne
This presentation file was made in order to complete our class assignment by me and my group. This file consists of a brief introduction of operating system, hardware review and OS evolution and types of OS. The images in the slides were taken from google and the slides are based on the book Operating System Concepts, Silberschatz , Galvina and Gagne
System is a collection of programs which control the overall functions of which control the overall functions of computer.
An operating system is a program that acts as an interface between the user of a computer and the computer hardware. The purpose of operating system is to provide an environment in which a user can execute programs in a efficient manner. Operating system also acts as a platform on which various application programs such as word processor and excel are executed.
System is a collection of programs which control the overall functions of which control the overall functions of computer.
An operating system is a program that acts as an interface between the user of a computer and the computer hardware. The purpose of operating system is to provide an environment in which a user can execute programs in a efficient manner. Operating system also acts as a platform on which various application programs such as word processor and excel are executed.
An operating system acts as an intermediary between the user of a computer and 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 (OS) is a collection of software that manages computer hardware resources and provides common services for computer programs. The operating system is an essential component of the system software in a computer system. Application programs usually require an operating system to function.
Time-sharing operating systems schedule tasks for efficient use of the system and may also include accounting software for cost allocation of processor time, mass storage, printing, and other resources.
For hardware functions such as input and output and memory allocation, the operating system acts as an intermediary between programs and the computer hardware,[1][2] although the application code is usually executed directly by the hardware and will frequently make a system call to an OS function or be interrupted by it. Operating systems can be found on almost any device that contains a computer—from cellular phones and video game consoles to supercomputers and web servers.
Examples of popular modern operating systems include Android, BSD, iOS, Linux, OS X, QNX, Microsoft Windows,[3] Windows Phone, and IBM z/OS. All these, except Windows, Windows Phone and z/OS, share roots in UNIX.
Presentation Regarding functions of operating systems and their working and other information regarding their uses and types. Useful for Students and other for knowing better about them.
Pleases Send Your Valuable Comments regarding it
very helpful presentation for students who are dealing with network and operating system have a brief introduction about linux and installation of ubuntu and windows Server.I hope you like it.
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Os introduction
1.
2. Introduction
Operating system is a program that acts as
an intermediary between a user of a
computer and the computer hardware.
Operating system goals:
1. Execute user programs and make solving user
problems easier.
2. Make the computer system convenient to use.
3.
4. Hardware
– provides basic computing resources (CPU, memory, I/O
devices).
Operating system
– controls and coordinates the use of the hardware among
the various application programs for the various users.
Applications programs
– define the ways in which the system resources are used
to solve the computing problems of the users
(compilers, database systems, video games, business
programs)
Users
- (people, machines, other computers).
5. Functions of an OS
•Execution environment
- process management, file manipulation, interrupt
handling, I/O operations, language.
• Error detection and handling
• Protection and security
• Fault tolerance and failure recovery