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Explain the purpose of operating systems

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Introduction

Transfer-Encoding: chunked P2- explain the purpose of operating systems Operating System An operating system is the most important program that runs the computer. The operating system runs other programs and performs basic tasks, for example, recognizing the input from the keyboard, sending the output to the display screen, keeping track of files and controlling peripheral devices like disk drives and printers. An operating system allows you to communicate with computer hardware. Without a operating system you wouldn?t be able to perform actions on the computer as it would have no instructions to follow. It is almost like a translator between the user and computer; the processor can only understand 0s and 1s, however programs we use now are in high level language like java. It?s the operating system job to change the programs into 0s and 1s so that the hardware can follow the instructions and you can use the computer. ...read more.

Middle

Task management Operating systems allow you to multitask which is the ability to run many programs at once. Programs can then be prioritised to run faster or slower depending what they are needed for. Device management Device management controls all peripheral devices by sending commands. The software that deals with the commands is called a driver, the operating system requires a driver for every peripheral. When a different type of peripheral is connected, that devices must be added to the operating system if not already installed. Memory Management Memory management is responsible for managing the computers primary memory. The function keeps track of the status of each memory location, if it’s full or free. It controls which memory locations will be allocated. It also tracks when the memory is freed or unallocated and updates the status. Features Cost and support for the user: The cost for an operating system can be around £100. ...read more.

Conclusion

Windows 8.1 Pro is the operating system for small and medium businesses. It has the ability to join shared domains. It has other features including, remote desktop, work folders, Wi-Fi direct printing and reliable security features. Other packs wouldn’t be suitable because enterprise is aimed to large companies and the basic pack is for home users. Therefor this is the best package for the school to go for. Windows 8.1 Pro Pack is £99.99 incl. VAT Windows 8.1 Pro is the operating system for small and medium businesses. It has the ability to join shared domains. It has other features including, remote desktop, work folders, Wi-Fi direct printing and reliable security features. Other packs wouldn’t be suitable because enterprise is aimed to large companies and the basic pack is for home users. Therefor this is the best package for the school to go for. Windows 8.1 Pro Pack is £99.99 incl. VAT ...read more.

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