Operating System: Objectives, Types, Functions & More

Safalta expert Published by: Gitika Jangir Updated Fri, 11 Feb 2022 10:09 AM IST

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Any computer device's operating system is its heart. Get to know about it here at Safalta.com.

Any computer device's operating system is its heart. Without an operating system, a computer system's operation and processing can come to a halt. The Operating System, as well as its different types and functions, will be discussed in depth in this article. The various elements of OS as well as the history of its development have been addressed. Some sample questions have been included further down in this text for the benefit of competitive test candidates. General Knowledge Free Ebook Download Now. 

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What is Operating System ?

Any computer device's operating system is its heart.

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Source: safalta.com

Without an operating system, a computer system's operation and processing can come to a halt. The Operating System, as well as its different types and functions, will be discussed in depth in this article. The various elements of OS as well as the history of its development have been addressed. Some sample questions have been included further down in this text for the benefit of competitive test candidates.

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Types of Operating System :

The following are the various types of operating systems, along with brief descriptions of each: 

1. Batch Processor System 
  • The computer and the operating system do not communicate directly. 
  • There is an intermediary, the Operator, who is responsible for batching the work and sorting comparable projects. 
  • It can be used by multiple people. 
  • Can manage a significant quantity of work with ease
2. Real-Time Operating System (RTOS) 
  • It is equipped with a data processing system. 
  • Between the user's command and the result, the processing time is relatively short. 
  • Used in situations where a speedy response is required.
3. Operating System for Time-Sharing 
  • A programme can be used by multiple persons at different terminals at the same time. 
  • The major goal is to reduce response time.
4. Operating System that is Distributed 
  • When two or more systems are connected to each other, one can open files that are not on their system but are on other devices connected to the network. Its popularity has grown over time. 
  • They provide real-time applications with numerous central processors. 
  • The failure of one system has no impact on the other systems in the network.
5. Operating System for Embedded Devices 
  • These unique operating systems are integrated into larger systems. 
  • They are usually limited to a single purpose, such as an ATM.
6. Network Operating System
  • They have one main server which is connected to other client servers
  • All the management of files, processing of data, access to sharing files, etc. are performed over this small network
  • It is also a secure operating system for working with multiple users
7. Mobile Operating System
  • With the advancement in the field of technology, smartphones now are released with an Operating system. 
  • They are designed in a manner that they can help a small device work efficiently.

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Functions of Operating System

Given below are the various functions of an Operating System:

  • It aids in memory retention. It keeps track of the files that are saved in the computer's main memory and primary memory. 
  • When a computer is turned on, the operating system kicks in automatically. As a result, the OS plays a vital role in the booting and rebooting of a computer device. 
  • It has a graphical user interface. 
  • The operating system is in charge of fundamental peripheral device management. 
  • The data on the device can be kept secure by using the operating system's password protection feature. 
  • It works in tandem with the user and the software. 
  • The OS is in charge of file and programme organisation and navigation.
  • The operating system handles every software that has to be run through the system. 
  • If an error or bug is discovered during the programme, the operating system is used to detect it.


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List of Common Operating Systems

Given below is a list of commonly used Operating systems along with their year of release. 

List of Operating Systems
Name of the OS Release Date
Android 2008
iOS 2007
Windows 1985
Mac OS 2001
MS-DOS 1981
Chrome OS 2011
Windows Phone 2010
Blackberry OS 1999
Firefox OS 2013
UNIX 1969


Operating systems : Important questions 

Q 1. The __________ connects applications to the actual processing of data and manages all communications between software and hardware components. It is the core of any OS.

  1. Central Processing Unit
  2. Main Memory
  3. Kernel
  4. Systematic Multi-Processing
  5. Cluster Unit

Answer: (3) Kernel

Q 2. Which of the following options is not an Operating System?

  1. MS-DOS
  2. Blackberry OS
  3. Windows
  4. Oracle
  5. UNIX

Answer: (4) Oracle
 

Q3. What are the 4 types of operating system?

Answer. Types of Operating System
  • Batch Operating System 
  • Time-Sharing Operating Systems 
  • Distributed Operating System 
  • Network Operating System 
  • Real-Time Operating System

Q 4. Which of these is not a type of Operating System?

  1. Network Operating System
  2. Distributed Operating System
  3. Embedded Operating System
  4. Batch Operating System
  5. All are a type of Operating System

Answer: (5) All are a type of Operating System

Q 5. The first Operating System was developed by _____

  1. IBM
  2. Microsoft
  3. Blackberry
  4. Mac
  5. General Motors

Answer: (5) General Motors

Q 6.A program that automates the translation of assembly language into machine language is called _________

  1. Assembler
  2. Interpreter
  3. Compiler
  4. Processor
  5. None of the above

Answer: (1) Assembler

Q7 . What are the 3 Types of Operating Systems ?

Answer.Types of operating systems :The three most common operating systems for personal computers are Microsoft Windows, macOS, and Linux. Modern operating systems use a graphical user interface, or GUI (pronounced gooey).

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