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

Network, Give a topology (network diagram) in which there is a link whose f...

Give a topology (network diagram) in which there is a link whose failure will change many routes. Give one in which there is a link whose failure will not change any routes

Compact diskette (cd), Compact Diskette (CD) CD-ROM ...

Compact Diskette (CD) CD-ROM CD-ROM stands for Compact Disk-Read Only Memory. This disk comes with data already stored in it. It can store around 640 MB of

Distinguish between the cryptoprovider and the managed class, QUESTION ...

QUESTION (a) Using the Luhn 10 check formula verify whether the following account number is compliant: 49927398716. Show details of your workings (b) Why is it advisable to

Data communications, Data communication as a need developed in the 1960s wi...

Data communication as a need developed in the 1960s with the interconnection of peripheral devices to mainframe computers. Within the immediate vicinity of the mainframe computer t

Explain web cache, To satisfy client needs through proxy server and not thr...

To satisfy client needs through proxy server and not through main server, as some other user have already accessed that file and its copied to the proxy server, so next time a user

Describe counting instructions, They are used to reduce or enlarge the cont...

They are used to reduce or enlarge the content of the counters. DEC INC DEC INSTRUCTION Idea: To diminish the operator. Syntax: DEC destiny This action subtracts 1 from the destiny

Classification of database management systems, Question 1: (a) Describ...

Question 1: (a) Describe the three ways of classification of Database management systems (DBMS). (b) Why are System Analysts and Database Administrators needed in compa

statistics, write a 2 page essay operational gaming and monte carlo simula...

write a 2 page essay operational gaming and monte carlo simulation

Computer orgnaization, draw a block diagram to show organization of a compu...

draw a block diagram to show organization of a computer system .explain or a units of computer system

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