Briefly explain the function of an operating system.
Answers
Functions of Operating system:
- Memory Management
- File Management
- Device Management
- I/O management
- Networking
- Security
- Processor Management
- Secondary storage management
- Common interpretation
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.
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 up to 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
An operating system (OS) is a software that serves as a medium between computer hardware and the user. Every computer system should have minimum one operating system to run other applications.
Explanation:
The following are the functions of operating systems:
- Input/output Management: The operating system runs this application and determines what output will result from the user's input. The coordination of various input and output devices is part of this management. It defines the functions of devices on which one or more programmes are performed.
- Memory Management: The operating system is in charge of memory storage for all data, system applications, and user programmes. Memory management is the name for this feature of the operating system.
- File Management: The operating system manages resource allocation and de-allocation. It controls which process receives the file and for how long. It also keeps track of information, such as location, uses, and status.
- Processor Management: The processor is the part of a computer that executes a programme and performs the tasks that it is designed to do. It can be considered as a execution unit in which a program executes.
- Security: Only authenticated user has access to the computer and its data, and users can only do what they are authorized to do.