What Is Operating System ?Full Detail ,Its Extra Knowledge

In Computer Operating System Main Function And Its Work

Changes in operating systems are divided into generations. The first generation of operating systems existed from 1940 to 1950, which is the time when computers were being developed. They are mainly divided into four generations.
In fact, the first operating system was developed by General Motors in 1956 for the IBM 705. This is called the second generation. After this, in 1969, the Unix operating system developed the first version of the operating system. It was developed for mini computers.

Starting Of Computer:

Starting of computer and restarting of computer is called Butting. when you start to on the off computer, then we can cold butte. warm butte is that, in which the power is on when we restart the computer.

All times when you butte the computer, then kernel and other parts used instruction of operating system, that instruction which is stored by memory RAM is loaded and copy. kernel is an center of operating system. which memory, application manage start and devices, programs, data and information like arrange the computer resources. kernel is the resident of memory. its means, when the computer is start, then it is in the memory. all parts of operating system is non- resident. it means, when it doesn’t need of instruction, then it is at hard disk.

All the following steps are tell that at the time of using windows operating system during the personal computer code-

• When you on the computer, then power supply mother board and gave signal all the other devices which place in system unit.
• In the Absence of Electricity it reset yourself and come in the memory ( ROM – Read Only Memory). BIOS in the chip of ROM.( BIOS- BASIC INPUT/ OUTPUT SYSTEM) is farm ware, in this the Instruction to start-up.

Types Of Operating System :

Firstly operating system is depend on devices. devices dependent software product only are start less types of computer. when Manu-facters Interduce the computer model, then they Improved and produce other operating system. problems is come on that time, when user live computer model / Manu-facters. application software of user is don’t work on new computers, because application software is Designed for work with operating system. many operating Soft-wares is at on the time depend on devices.

DOS (DISK OPERATING SYSTEM):

DOS- (Disk Operating System) terms is tell about single operating system, which for PC in the firstly 10 years ago of 1980 is Develop. in DOS P-DOS and MS-DOS tow is very Popular version. Micro-soft make PC-DOS for , which with ABM yourself computer leave and Install by them. that time, Microsoft develope this.

Changes in operating systems are divided into generations of operating system The first generation of operating systems existed from 1940 to 1950, which is the time when computers were being developed. They are mainly divided into four generations.

In fact, the first operating system was developed by General Motors in 1956 for the IBM 705. This is called the second generation. After this, in 1969, the Unix operating system developed the first version of the operating system. It was developed for mini computers.

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