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Six facilities of modern operating system in 2021

Operating system is a set of programs. The most important program in the operating system, the program that manages the operating system, is the supervisor program, most of which remains in memory and is thus referred to as resident.

An operating system has three main functions: 

(1) manage the computer's resources, such as the central processing unit, memory, disk drives, and printers 

(2) establish a user interface, and 

(3) execute and provide services for applications software.

Operating system

Operating system is a system software that manages the software resources, Hardware devices and provides the common application services for computer system. Operating system installs the connection between Humans and Computers. Because of operating system only, we can perform work and give instructions to the computer.


Six facilities of modern operating system in 2021

In short, Operating system is a system software that creates the interface between computer and user. Operating system helps us to communicate with computers without knowing their language. It is not easy to use a computer system, mobile, TV any digital device without having operating system in it.


Operating system provides common services to computer system like File search, Calculator, Various in built apps, Word, Powerpoint and excel etc. Due to which, it becomes easy to use a computer system. If we use a computer system without OS, then we will just seeing Binary codes on our screen. Which aren't easy to get understood.

History Of OS

  1. Operating systems were first developed in the late 1950s to manage tape storage
  2. The General Motors Research Lab implemented the first OS in the early 1950s for their IBM 701
  3. In the mid-1960s, operating systems started to use disks
  4. In the late 1960s, the first version of the Unix OS was developed
  5. The first OS built by Microsoft was DOS. It was built in 1981 by purchasing the 86-DOS software from a Seattle company
  6. The present-day popular OS Windows first came to existence in 1985 when a GUI was created and paired with MS-DOS.

Features of Operating system:

1. Resource the allocation of memory

2. Protects the information and data inside the computer system

3. Manages the memory

4. Virtual multitasking

5. Program execution

6. Allows computer system with network

7. Installs the connection between User and Computer.

Functions of Operating system:

1. Memory Management

2. File Management

3. Device Management

4. I/O management

5. Networking

6. Security

7. Processor Management

8. Secondary storage management

9. Common interpretation

Types of Operating system:

1. Multiprocessing OS

2. Multitasking OS

3. Batch OS

4. Mobile OS

5. Network OS

6. Distributed OS

7. Real Time OS

What is 32 Bit and 64 Bit ?

32 Bits system can handle ram only 3.2 GB of ram. 32 Bits system processes the data simultaneously and output in given in seconds. This systems required 32 bit CPU and OS.

64 Bits systems can handle ram upto 17 Billion GB. This systems processes the data in the bit of second. This are very simultaneous systems. This systems 64 bit CPU and OS.

Popular Operating systems for computer system:

Windows - Versions: Windows 10, 8, 7, XP, 98...

Apple OS - Versions: Mojave, Catalina, Mac OS X

Linux - Versions - Red Hat, KDE....

Ubuntu

Chrome OS

Fedora

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