Need of operating system, Basic Computer Science

Assignment Help:

Need of operating system:

What kind of facilities operating system provides to the users and programs:

  • The operating system provides interfaces for the user (keyboard, mouse, clicks, and pen drive) and also for the user's programs.
  • It provides file system support to manage huge volume of data in to secondary storage device.
  • It provides I/O services that can be used by every program.
  • It provides  boot-strapping  or  Initial Program Load (IPL) to start a computer
  • It manages all kinds of errors  and also supports error recovery mechanisms 
  • It provides networking services.
  • It provides the environment (allocation of memory, I/O devices and CPU time)  for  concurrent processing.  As you are aware, a single processor is capable of executing only one instruction at a time. Concurrent processing is the means used to simulate the simultaneous execution of multiple programs to provide multitasking and multiuser support.

 


Related Discussions:- Need of operating system

C programming program, I wrote a program that adds up 5x5 matrices by colum...

I wrote a program that adds up 5x5 matrices by column and row. Now i have to use pointers to rewrite the same code how would do that

SOFTWARE, main task of sofware developper

main task of sofware developper

DBMS, what is the meaning of data definition

what is the meaning of data definition

D, #questionWrite a program to find the area under the curve y = f(x) betwe...

#questionWrite a program to find the area under the curve y = f(x) between x = a and x = b, integrate y = f(x) between the limits of a and b. The area under a curve between two poi

Array, An array A is said to be special if all its elements are same. Given...

An array A is said to be special if all its elements are same. Given an array, your task is to convert the array to special array by performing some operations. The allowed operati

Explain the concept of a transition graph, Question 1 Define the concept o...

Question 1 Define the concept of equivalence relation. Give atleast two examples of equivalence relation Question 2 Prove that a graph G is connected if and only if it has a

Object oriented programming, Write a method called Grade that takes a numer...

Write a method called Grade that takes a numeric score and returns a letter grade. Use the rule that 90 to100 is an A, 80 to 89 a B, 60 to 79 is a C, 45 to 59 is a D, and less th

With an example, Question 1 With an example, illustrate the concept of ext...

Question 1 With an example, illustrate the concept of extern variable Question 2 What is the difference between pointer variable and simple variable? Question 3 Give the

Perverse software, is u given is enough for us for this - what is pervere ...

is u given is enough for us for this - what is pervere software and explain in detail?

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