Operating System

An operating system (OS) is an integrated set of programs that is used to manage the various resources and over all operation of computer system. It is desingned to support the activites of a computer installation. Its prime objective is to improve the performance and efficiency facility.

An operating system is responsible for the smooth and efficient operation of the entire computer.

Functions

  1. Processor management that is assignment of processor to different tasks being performed by the computer system.
  2. Memory management that is allocation of main memory and other storage areas to the system programs as well as user programs and data.
  3. Input\Output management that in co-ordinates and assignment of the different input and output devices while one or more program is being executed.
  4. File management that is storage of files a various storage device to another it allows all files to be easily changed and modified through the use of text editors or some other file multiplication routines.
  5. Establishment and enforcement of a job priority that is it determines and maintains the order in which jobs are to be executed in the computer system.
  6. Automatic transition from job to job as directed by special control statements.
  7. Interpretation of commands and instructions.
  8. Co-ordinates and assignment of compilers assemble utility programs and other software to various users the computer system.
  9. Establishment of data security and integrity.
  10. Production of dumps, traces, error, message and other debugging and error detecting aids.
  11. Maintenances of internal time clock and log of system usage for all users.
  12. Facilities easy communication between the computer system and the computer (human) operator.

I/O control

A collection of system programs. That performs Input and Output operations for a program and maintains information concerning all the file stared on the computer system.

LOADER

A system program that brings an object program stored on an auxiliary storage device into main memory for execution.

LINKER

The sequence control and the transfer of data between various routines in a program or between various device in a computer system.

Comments

Post a Comment

Popular posts from this blog

What is Website

Image
  A website, also written as Web site, web site, or simply site, is a set of related web page containing content (media) such as written language, Image, video, sound, etc. A website is hosted on at least one web server, accessible via a network such as the internet or a private local area network through an Internet address known as a uniform resource locator. All publicly accessible websites collectively constitute the world wide web. Some websites require a subscription to access some or all of their content. Examples of subscription websites include many business sites, parts of news websites, Academic journal websites, gaming websites, file-sharing websites, Internet forum, web-based Email, Social networking websites, websites providing real-time Stock market data, and websites providing various other services (e.g., websites offering storing and/or sharing of images, files and so forth). A website may be ยท          Personal websit...
Read more

Forage Solutions

Image
  Here some Forage Internships Solution Forage Solution: - Tata Data Visualisation: Empowering Business with Effective Insights Forage Solution: - Accenture Data Analytics and Visualization Job Simulation If you have any doubts mention on the Comment Box. Please follow my Blog, Share and Comment.
Read more