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OPERATING SYSTEM COMPUTER SCIENCE FIZA Btech CSE 3rdYr
INTRODUCTION • An operating system acts as an intermediary between the user of a computer and computer hardware. The purpose of an operating system is to provide an environment in which a user can execute programs conveniently and efficiently. • An operating system is a software that manages computer hardware. The hardware must provide appropriate mechanisms to ensure the correct operation of the computer system and to prevent user programs from interfering with the proper operation of the system.
ADVANTAGE • The advantages of Operating system are as follows − • Computing Source− OS acts as an interface between the user and the hardware. It allows users to perform different tasks like input data, process the operation, and access the output. With the help of an operating system, users can communicate with computers to perform various functions like arithmetic calculations. • User-Friendly Interface− Whenever the Windows operating system came into existence with Graphical User Interface (GUI), it became user friendly. It also helps the users to quickly understand, interact, and communicate with computer machines. • Resource Sharing− Operating systems allow resource sharing. It shares the data and information with other users with the help of printers, modems, and Fax Machines. With the help of networks we are able to share the information and data via mails and also different apps, images, and media files can be transferred from PC to other devices with the help of an operating system.
TYPE • 1. Batch Operating System –This type of operating system does not interact with the computer directly. There is an operator which takes similar jobs having the same requirement and group them into batches. It is the responsibility of the operator to sort jobs with similar needs.