Operating system, Basic Computer Science

Operating System:

Operating  System is the software that manages all the computers' resources to optimize its performance provides common services for efficient execution of various application software and acts as an interpreter between the hardware, application programs and the user.  An operating system is essential for any computer to be useful to us.  

When a user or a program wants the hardware to do something, the request is always communicated to and processed by the operating system.  

Operating systems performs basic tasks, such as recognizing input from the keyboard, sending output to the display screen, keeping track of files and directories on the disk and controlling peripheral devices.  

For large systems, the operating system has even greater responsibilities and powers.  

Most operating systems perform the functions given below:  

  • Process Management  
  • Memory Management  
  • File Management  
  • Security  
  • Command interpretations  

 

Posted Date: 10/23/2012 5:37:05 AM | Location : United States







Related Discussions:- Operating system, Assignment Help, Ask Question on Operating system, Get Answer, Expert's Help, Operating system Discussions

Write discussion on Operating system
Your posts are moderated
Related Questions
Problem 1. What are Micro-operations? Explain Micro operations of the Fetch cycle. Defining Micro-operations Its explanation of the fetch cycle 2. Differen

Description A semaphore is a confined variable whose value can be accessed and changed only by the operations P and V and initialization operation known as ''Semaphoiinitislize''.

what is ms dos?

Twisted Pairs: Twisted pairs are familiar to all of us as the copper wire telephone lines. These are of low frequency, and support a limited bandwidth (one voice channel) but

QUESTION a) Cryptography is a set of techniques and mathematical algorithms. Describe four important areas where cryptography must be applied b) What is the importance of us

advantage and disadvantage of operating system

Question 1 Name the different types of emitters and explain them in brief Question 2 List and explain the Particle Attributes Question 3 Explain Particle Collision

Problem 1 What is precedence of operators? How are expressions evaluated using precedences? Defining precedence of operators Explanation of how expressions are evaluat

difference between recursion and iteration

WHY ISN''T THE PRICE STORED ON THE BARCODE