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Operating Systems and Its Fundamentals .

Updated on November 20, 2019
Aaqib234 profile image

iam a student of information technology. i did complete my bachelor. and iam a expert of sites and about information technology,computers.

Operation system management



The low-level software that supports a computer's basic functions, such as scheduling tasks and controlling peripherals.First of all I want to introduce about what is operating system and how is useful in our daily life for the internet as well as computer too.

Computer systems can be divided into four components as follows.


Hardware provides basis computing resources it includes memory, CPU,storage devices ,input output devices.


Operating system controls and coordinates hardware among various
application programs for user.


Application program define the ways in which system resources it cleared
word processing, spreadsheet and database system etc.


The users include people, machines and other computers in the whole network

TASKS handled by an O/S
TASKS handled by an O/S


1 Convenience
The primary objective of an operating system is convenience for user. Operating systems execute user programs and make it easy to solve user problems. They also make computer system convenient to use

2 efficiency
Secondary objective is the efficient operation of computer system. It is particularly important for large, share multi user systems. Operating system provides the facility to use the computer hardware in an efficient manner.

3 ability to solve
The basic and the main role about which we can say the basic part of the computer operating system that allows effective development testing and introduction of new system functions without interfering with the service


To all users of technology who are willing to take a chance, make a choice, and try a new way of doing things so that we can nurture and enjoy a happy, healthy planet.

— K.M



Operating system works as a government. The basic resources of computer system provided by its hardware, software and data. Operating system provides the means and environment for proper use of its resources.


Computer system has many resources. Screenshots can be used to solve a problem. Downloading system is responsible for managing the use of system resources. They may be many e request for critical resource. Did request may be conflicting. The operating system decide which request should obtain the required resource. View system should take into consideration both system efficiency and fairness to individual requests.


Operating system controls the execution of user programs and devices. Is responsible to monitor and control the operation of software. It controls the hardware component of a computer system. Also ensure that system resources are used properly.

Components of computer handled by operating system
Components of computer handled by operating system


Operating system has many components sources of computer system while ensuring proper execution of programs.


Process is a program in execution. Process needs certain resources, CPU time, memory, files input output devices in order to accomplish its task. The operating system is responsible for creating and deletion of user and system processes,

suspension and resumption of processes, mechanisms for process synchronization , mechanism for process communication, mechanisms for handling of deadlock situations these are all the the activities related to the process management in an Operating System.


Memory management is a process of optimizing the use of main memory. RAM is used to store data and instructions temporally during execution. Operating system allocates memory area to different programs. Dedicated memory area is dedicated the program finishes. Some operating system allocate a part of storage medium like hard disk as additional RAM.

The operating system is responsible for the following activities in connection with memory management. Keeping track of which parts of memory are currently being used and by whom, deciding which process to load when memory space become available, deciding how much memory is to be allocated to a process, allocating memory space as needed.


Main memory or primary storage is volatile and too small to accommodate all data and programs permanently. That's why the logic is computer system must provide secondary storage to backup main memory. Most modern computer systems used discs as the principal storage medium for both program and data. Operating system is responsible for the free space management, storage allocation and de-allocation, disk scheduling.


The role of operating system in input output system is to manage and control input output operations and input output devices. One goal of input output is to provide the simplest interface to optimize input output for maximum concurrency. The input output system manages different input output devices such as Mouse. keyboard, monitor, printer ,screens ,touch pens consoles, light pens etc.

different kind of OPERATING SYSTEMS
different kind of OPERATING SYSTEMS

© 2019 aaqib


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