Question

What functions are performed by an operating system. discuss various type of operating systems?

Answer 1

There are Many Functions those are Performed by the Operating System But the Main Goal of Operating System is to Provide the Interface between the user and the hardware Means Provides the Interface for Working on the System by the user. The various Functions those are Performed by the Operating System are as Explained below:-



Operating System as a Resource Manager

Operating System Also Known as the Resource Manager Means Operating System will Manages all the Resources those are Attached to the System means all the Resource like Memory and Processor and all the Input output Devices those are Attached to the System are Known as the Resources of the Computer System and the Operating system will Manage all the Resources of the System. The Operating System will identify at which Time the CPU will perform which Operation and in which Time the Memory is used by which Programs. And which Input Device will respond to which Request of the user means When the Input and Output Devices are used by the which Programs. So this will manage all the Resources those are attached to the Computer System.
various type of operating systems are.
Single- and multi-tasking
Single- and multi-user
Distributed
Real time operating system

Answer 2

              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.

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.

Features of Operating system:

• Resource the allocation of memory
• Protects the information and data inside the computer system
• Manages the memory
• Virtual multitasking
• Program execution
• Allows computer system with network
• Installs the connection between User and Computer.

Functions of Operating system:

• Memory Management
• File Management
• Device Management
• I/O management
• Networking
• Security
• Processor Management
• Secondary storage management
• Common interpretation

Types of Operating system:

• Multiprocessing OS
• Multitasking OS
• Batch OS
• Mobile OS
• Network OS
• Distributed OS
• 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