COMPUTER SOFTWARE AND OPERATING SYSTEM – COMPUTER SOFTWARE AND OPERATING SYSTEM

COMPUTER SOFTWARE AND OPERATING SYSTEM

 

COMPUTER SOFTWARE AND OPERATING SYSTEM

SOFTWARE

Software is a set of instructions that guides computer to process its job. Computer software cannot be touched. The functions like controlling the hardware, performing computations, human interactions etc, are performed by computer software.

Types of software:

A. System Software
B. Application software
C. Utilities Software

SYSTEM SOFTWARE:

  • System software is a collection of programs designed to operate, control and extend the processing capabilities of the computer itself. Operating System, Compiler, and Interpreter etc are the examples of system software.

APPLICATION SOFTWARE

  • Application software is a setoff programs designed for a particular application.
    Examples of Application software are: Microsoft word, Microsoft Excel, Railway reservation software.

UTILITIES SOFTWARE

  • This software is requested by other application programs. Example of utility software- Antivirus etc.

Hardware

  • Hardware is the part of the computer that can be seen and felt by touching. The other computer equipments are called peripherals. Printer, Mouse, Modems, scanners etc are the examples of hardware.

OPERATING SYSTEM

An operating system is a set of programs which performs various types of functions to manage and organize files.

• Operating system acts as a link between the software and the computer hardware.
• It is specialised software that controls and monitors the execution of all other programs that reside in the computer, including application programs and other system software.
• Common Operating System: MS DOS, Windows XP, Windows 7, UNIX, LINUX.

Operating system can be categorised as-

• Multi-user- Allows two or more programs to run at the same time.
• Multi-tasking-Allows one or more program to run simultaneously
• Multi processing- Allows a program on more than one CPU.
• Multi threading-Allows different part of a single program to run simultaneously
• Real time processing-It responds to the input instantly. Real time processing is used to control machinery, scientific instruments and industrial systems.

Functions of Operating system:-
-Processing commands
-Controlling and execution of programs
-Managing devices (storage and retrieval of files)

The functions involved in the management of resources are as follows-
• Process Management
• Memory Management
• Input/Output Management
• Information management
• User interface

UPSC Prelims 2020 Test Series 400+ Tests Pdf Solution
 
Daily The Hindu News Paper 2019 Pdf Free
 

Follow US On Telegram For Latest Materials 

Join StudyDhaba.Com Telegram Channel – t.me/studydhaba

Latest Current Affairs Magazine 2019 Pdf 

UPSC Prelims ,Mains ,Optional Study Materials

UPSC Prelims Test Series 2020 Pdf Download

UPSC Mains Test Series 2019-2020 Download

UPSC Optional Test Series 2019-2020 Download 

SSC Study Materials 2019-2020 Pdf Download

IBPS Study Material 2019-2020 Pdf Download 

Insurance Exams Free Study Materials Pdf 2019

NEET Exam Free Study Material Pdf Download 

Latest RRB Study Material Pdf Download Free 

Teaching Exams Study Material Pdf Download 

 Donate Here For Free Study Materials  

Download The Hindu Daily News Paper E Paper Pdf 

EContact US  – ajitomghyan@gmail.com / admin@studydhaba.com

Note & Disclaimer – All Study Materials Here are shared Only For Educational Purposes .StudyDhaba Will Not Be Responsible . Whole Materials Is For Education Purpose Only .We Work hard to Provide You Quality Study Materials For All Competitive Exams .You can Also Share Study Materials,Notes Or Any Materials With Us .We Will Publish That Material On Our Website .It is a Humble Request To All Of You Please Share This Post With Your Friends And On Social Media .