System service program, Operating System

Assignment Help:

System Service Program

system service program Supports and provides the services for other program. System service program perform Varity of tasks.  They are further divided into three portions

i) Linkage Editor: A service routine that converts the output of assemblers and compilers into a form that can be loaded and executed.

To link together separately assembled programs. You may code and assemble a number of subprograms separately and link-edit these subprograms into one executable program. The linkage editor enables data in one subprogram to be recognized in another and facilitates transfer of control between subprograms at execution time. The linking process is usually automatically done by a linker or binder program that searches a set of libraries and other modules in a given order.

ii) Librarian: it is a program that performs all the functions of I/O devices. it has the task of storing programs on the disk, maintain the directory and security of user files.

iii) Input/output control system: the function of this program is to check all the hardware of the computer. The physical operations including accessing of disk ports , checking the states of desired ports etc.

 

 


Related Discussions:- System service program

Is computers protect the operating system, Q. Some untimely computers prot...

Q. Some untimely computers protected the operating system by placing it in a memory partition that couldn't be modified by either the user job or the operating system itself. Expl

Explain processing predefined application protocols, Explain Processing Pre...

Explain Processing Predefined Application Protocols Implementing and swift processing of predefined application protocols is sure to improve performance of server - side applic

Unix operating system, A working Ubuntu Linux operating system.  You can us...

A working Ubuntu Linux operating system.  You can use a Live-CD to complete this assignment. Create an empty text file named assignment6.txt in your home directory. Edit this

Explanation of modern cpu architectures, Your CTO liked your proposal from ...

Your CTO liked your proposal from Unit 2 so much he only trusts you to explain complex concepts to his managers. He now wants you to write him a four page paper explaining the CPU,

Deadlock-avoidance safety algorithm, Q. Presume that you have coded the de...

Q. Presume that you have coded the deadlock-avoidance safety algorithm as well as now have been asked to implement the deadlock-detection algorithm. Can you do thus by simply usin

Write a note on multithreading, Write a note on multithreading. Multith...

Write a note on multithreading. Multithreading is the capability of an operating system to execute different parts of a program called as threads, at the same time. The program

Capability lists are typically kept within the address space, Q. Capabilit...

Q. Capability lists are typically kept within the address space of the user. How does the system make sure that the user cannot modify the contents of the list? Answer: An ap

Use of the computing hardware, Q. We have stressed the require for an oper...

Q. We have stressed the require for an operating system to make efficient use of the computing hardware. When is it suitable for the operating system to forsake this principle and

Explain the concept of mutual exclusion, Question 1: (a) Discuss about...

Question 1: (a) Discuss about the evolution of operating systems from mainframe batch systems to mainframe time sharing systems. (b) Explain your understanding of the "sus

What is a general graph, What is a general graph? A tree structure wher...

What is a general graph? A tree structure where links can go from one branch to a node earlier in the similar branch or other branch, allowing cycles.

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd