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

Explain ring counter with diagrams, Question 1 Convert the following hexad...

Question 1 Convert the following hexadecimal numbers to base 2 (D73)16 (A21)16 Question 2 Convert the following binary numbers to base 16 (11001011)2 (11

What are the most common forms of mixing, Question 1 What is the differenc...

Question 1 What is the difference between Variable Bit Rate and Constant Bit Rate? Question 2 Write a note on: Normalization, Reverberation, Noise Reduction, Filters, and

Flowchart, create a flowchart showing average score for the 3 quizzes assum...

create a flowchart showing average score for the 3 quizzes assume that there are 3 sections each having 5 students the only valid number to be entered is 1-100 for the quizzes shou

Command processor and user interface, Command Processor and User Interface:...

Command Processor and User Interface: To the user, the most important and visible services provided by the OS is the user interface and the capabilities that it provides to ex

Graphs, Find the corresponding matrix of the digraph above

Find the corresponding matrix of the digraph above

Indexing and abstracting databases, Indexing and Abstracting Databases: ...

Indexing and Abstracting Databases: A study of growth of indexing and abstracting services over the years would show that during the past two centuries, these services have be

List two i/o virtualization methods, Question 1 List two I/O virtualizatio...

Question 1 List two I/O virtualization methods. Based on different features compare these two methods Question 2 Discuss three areas considered by organizations to secure the

Noemalization.., what is means with respect to software engineering?

what is means with respect to software engineering?

Necessary nurses records, Necessary Nurses Records The software shoul...

Necessary Nurses Records The software should generate all registers/reports in detail summary for various permutations and combinations of options. A powerful SQL (Structure

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