Classification of Operating Systems

What is operating system (OS)? Write the classification of OS. 

Answer: Operating System: Operated means rive or manage and system means way or method so operating system means driving way or management method. The American National standard institute (ANSI) give the definition like this: - software which controls the execution of computer programs and which may provide scheduling, debugging input output control accounting, compilation storage assignment, data management and seated services.

Name of operating system: - 1) MS DOS 2) MS Windows 3) Windows XP, 2000 4) Server 5) Vista 6) UNIX 7) LINUX  8) MAC

Classification of Operating Systems:

Operating systems can be classified as follows:

1. Multi-user: is the one that concede two or more users to use their programs at the same time. Some of O.S permits hundreds or even thousands of users simultaneously.

2.Single-User: Just allows one user to use the programs at one time.

3.Multiprocessor: Supports opening the same program more than just in one CPU.

4.Multitasking: Allows multiple programs running at the same time.

5.Single-tasking: Allows different parts of a single program running at any one time.

6.Real time: Responds to input instantly. Operating systems such as DOS and UNIX, do not work in real time.

What is Microsoft Windows? Write some features of it. 

 Answer: Windows: Windows are Graphical User Interface (GUI) software. It provides the flexibility of using graphical icons and work interactively with the computer. It is used to combination into hardware, user & application software.

MS Windows: Microsoft Windows Operating System was developed by Microsoft to overcome the limitation of its own MS-DOS operating System. The first successful version of this operating system was WINDOWS 3.0 which was released in 1990. The subsequently released versions were Windows 95, Windows 98 and Windows 2000. The numbers associated with these released versions indicate this year of release.Windows makes a computer system user-friendly by providing a graphical display and organizing information so that it can be easily accessed. Example: Windows XP, Windows 95; Windows 7; Windows Vista.

Characteristics of operating system: 

a) Character based or graphical user interface 

b) Single tasking or Multi-tasking operating system 

c) Single threading or Multi-threading operating system 

d) Storage security 

e) 16, 32 and 64 bits processed at a time 

f)  A portable operating system in not dependent on a specific microprocessor.

Generally operating system are two types: 1. Text based operating system (OS)  2. Picture based operating system 

Text based operating system: in which operating system any instruction are given keyboard is called text based operating system. EX: MS-DOS,UNIX

Picture based operating system: in which operating system all instruction are given by icon mouse and pull down using keyboard is called picture based operating system. EX: Windows, Vista etc.

Operating Systems

Microsoft Windows is a gathering of OSs produced by Microsoft. Windows is accessible in 32 and 64-bit forms and offers a graphical UI (GUI), performing multiple tasks functionalities, virtual memory the board capacities, and backing for a few fringe gadgets. Windows OSs comprise customer just as worker variants. 

A portion of the notable customer variants incorporate Windows 98, ME, XP, Vista, and 7. Windows 10 is the latest form, delivered in 2015. Some of Windows worker renditions incorporate Windows NT Server, 2000 Server, 2003 Server, and Server 2008 R2. Windows Server 2016 is the latest worker variant. 

Microsoft Windows 

Microsoft Windows began as a dream, however its advancement boundlessly molded the universe of IT, maybe more than some other OS. In 1983, Windows was reported by Microsoft's originators Bill Gates and Paul Allen. Around then, it was codenamed as Interface Manager, however, the Windows name prevailed since it reasonably depicted the windows or boxes expected to see the new OS. 

On November, 1985, Microsoft presented Windows 1.0. Before Windows was revealed, clients needed to type MS-DOS orders. With the presentation of Windows 1.0, clients utilize a mouse to navigate windows or screens. Windows 1.0 included parchment bars, drop-down menus, exchange boxes, and symbols, which were exceptionally easy to understand contrasted with the prior MS-DOS stage. Clients were likewise ready to switch between numerous projects without stopping and restarting each program. 

Work area symbols and extended memory were created in later forms of Microsoft Windows, alongside the capacities of downloading Windows via floppy plates. Microsoft Windows virtual memory improved graphical interfaces. Along with different applications intended for Windows, the OS turned out to be exceptionally famous. 

Microsoft Windows 95 arose in August, 1995 to incorporate inherent Internet backing and dial-up systems administration. It additionally incorporated its own email customer known as Microsoft Outlook. By at that point, the individuals who wished to update their Microsoft Windows applications could do so just through both floppy circles and CD-ROMs. Aside from the web capacities, Windows 95 offered media capacities, versatile figuring highlights, and incorporated systems administration highlights. 

By mid-1995, Microsoft delivered its first form of Internet Explorer. In 1998, Windows 98 was presented as the principal programming for PC utilization. It included framework reestablish applications and the capacity to record, play, and offer advanced music and films with Microsoft Windows Media Player 7. The starting of Windows 2000 included online security refreshes, which assisted with teaching purchasers about PC dangers, for example, infections. Windows 2000 additionally empowered strong utilization of tremendously improved work area highlights. The attachment and play equipment, frequently utilized in gaming, was presented with Windows 2000, alongside portable and USB gadget similarity. 

Before long to follow were new Microsoft OSs, for example, Windows XP (2001), Windows Vista (2006) and Windows 7 (2009). The last included remote and finger perusing compatibilities. With help to fringe electronic gadgets, gaming prospects have expanded through Microsoft Windows programming. Microsoft Windows has developed to oblige streamed information, information saved money on glimmer drives, and information saved in the cloud, which incorporated an online space for document sharing.